Configuration (Aeron Message Transport)

java.lang.Object
- io.aeron.driver.Configuration

public final class Configuration
extends Object

Configuration options for the MediaDriver.

Field Summary

Fields
Modifier and Type	Field and Description
`static long`	`CLIENT_LIVENESS_TIMEOUT_DEFAULT_NS` Default timeout for client liveness timeout after which it is considered not alive.
`static String`	`CLIENT_LIVENESS_TIMEOUT_PROP_NAME` Property name for `Aeron` client liveness timeout after which it is considered not alive.
`static int`	`CMD_QUEUE_CAPACITY` Capacity for the command queues used between driver agents.
`static int`	`COMMAND_DRAIN_LIMIT` Limit for the number of commands drained in one operation.
`static int`	`CONDUCTOR_BUFFER_LENGTH_DEFAULT` Default buffer length for conductor buffers between the client and the media driver conductor.
`static String`	`CONDUCTOR_BUFFER_LENGTH_PROP_NAME` Length (in bytes) of the conductor buffer for control commands from the clients to the media driver conductor.
`static long`	`CONDUCTOR_CYCLE_THRESHOLD_DEFAULT_NS` Default threshold value for the conductor work cycle threshold to track for being exceeded.
`static String`	`CONDUCTOR_CYCLE_THRESHOLD_PROP_NAME` Property name for threshold value for the conductor work cycle threshold to track for being exceeded.
`static String`	`CONDUCTOR_IDLE_STRATEGY_PROP_NAME` Property name for `IdleStrategy` to be employed by `DriverConductor` for `ThreadingMode.DEDICATED` and `ThreadingMode.SHARED_NETWORK`.
`static String`	`CONGESTION_CONTROL_STRATEGY_SUPPLIER_PROP_NAME` Property name for `CongestionControlSupplier` to be employed for receivers.
`static String`	`CONTROLLABLE_IDLE_STRATEGY` `IdleStrategy` to be used when mode can be controlled via a counter.
`static String`	`COUNTER_FREE_TO_REUSE_TIMEOUT_PROP_NAME` Timeout between a counter being freed and being available to be reused.
`static int`	`COUNTERS_VALUES_BUFFER_LENGTH_DEFAULT` Default length of the buffer for the counters file.
`static String`	`COUNTERS_VALUES_BUFFER_LENGTH_PROP_NAME` Property name for length of the buffer for the counters.
`static long`	`DEFAULT_COUNTER_FREE_TO_REUSE_TIMEOUT_NS` Default timeout between a counter being freed and being available to be reused.
`static long`	`DEFAULT_TIMER_INTERVAL_NS` Default interval between checks for timers and timeouts.
`static String`	`DIR_DELETE_ON_SHUTDOWN_PROP_NAME` Should driver attempt to delete `CommonContext.AERON_DIR_PROP_NAME` on shutdown.
`static String`	`DIR_DELETE_ON_START_PROP_NAME` Should driver attempt to an immediate forced delete of `CommonContext.AERON_DIR_PROP_NAME` on start if it exists.
`static String`	`DIR_WARN_IF_EXISTS_PROP_NAME` Warn if the Aeron directory exists.
`static int`	`ERROR_BUFFER_LENGTH_DEFAULT` Default buffer length for the error buffer for the media driver.
`static String`	`ERROR_BUFFER_LENGTH_PROP_NAME` Property name for length of the memory mapped buffer for the distinct error log.
`static int`	`FILE_PAGE_SIZE_DEFAULT` Default page size for alignment of all files.
`static String`	`FILE_PAGE_SIZE_PROP_NAME` Property name for page size to align all files to.
`static String`	`FLOW_CONTROL_GROUP_MIN_SIZE_PROP_NAME` Property name for default minimum group size used by flow control strategies to determine connectivity.
`static String`	`FLOW_CONTROL_GROUP_TAG_PROP_NAME` Property name for default group tag (gtag) used by the tagged flow control strategy to group receivers.
`static long`	`FLOW_CONTROL_RECEIVER_TIMEOUT_DEFAULT_NS` Default value for the receiver timeout used to determine if the receiver should still be monitored for flow control purposes.
`static String`	`FLOW_CONTROL_RECEIVER_TIMEOUT_PROP_NAME` Property name for flow control timeout after which with no status messages the receiver is considered gone.
`static String`	`GROUP_RECEIVER_CONSIDERATION_PROP_NAME` Property name for default boolean value for if subscriptions should be considered a group member or individual.
`static long`	`IDLE_MAX_PARK_NS` Maximum back-off park time which doubles on each interval stepping up from the min park idle.
`static long`	`IDLE_MAX_SPINS` Spin on no activity before backing off to yielding.
`static long`	`IDLE_MAX_YIELDS` Yield the thread so others can run before backing off to parking.
`static long`	`IDLE_MIN_PARK_NS` Park for the minimum period of time which is typically 50-55 microseconds on 64-bit non-virtualised Linux.
`static long`	`IMAGE_LIVENESS_TIMEOUT_DEFAULT_NS` Default timeout for `Image` liveness timeout.
`static String`	`IMAGE_LIVENESS_TIMEOUT_PROP_NAME` `Image` liveness timeout for how long it stays active without heartbeats or lingers around after being drained.
`static int`	`INITIAL_WINDOW_LENGTH_DEFAULT` Default initial window length for flow control sender to receiver purposes.
`static String`	`INITIAL_WINDOW_LENGTH_PROP_NAME` Property name for length of the initial window which must be sufficient for Bandwidth Delay Product (BDP).
`static String`	`IPC_MTU_LENGTH_PROP_NAME` Length of the maximum transmission unit of the media driver's protocol for IPC.
`static String`	`IPC_PUBLICATION_TERM_WINDOW_LENGTH_PROP_NAME` Property name for window limit for IPC publications.
`static String`	`IPC_TERM_BUFFER_LENGTH_PROP_NAME` Length (in bytes) of the log buffers for IPC publication terms.
`static int`	`LOSS_REPORT_BUFFER_LENGTH_DEFAULT` Default buffer length for the `LossReport`.
`static String`	`LOSS_REPORT_BUFFER_LENGTH_PROP_NAME` Property name for length of the memory mapped buffer for the `LossReport`.
`static long`	`LOW_FILE_STORE_WARNING_THRESHOLD_DEFAULT` Default value in bytes for low file storage warning threshold.
`static String`	`LOW_FILE_STORE_WARNING_THRESHOLD_PROP_NAME` Property name low file storage warning threshold in bytes.
`static int`	`MAX_RETRANSMITS_DEFAULT` Default max number of active retransmissions per connected stream.
`static int`	`MAX_UDP_PAYLOAD_LENGTH` Maximum UDP datagram payload size for IPv4.
`static int`	`MTU_LENGTH_DEFAULT` The default is conservative to avoid fragmentation on IPv4 or IPv6 over Ethernet with PPPoE header, or for clouds such as Google, Azure, and AWS.
`static String`	`MTU_LENGTH_PROP_NAME` Length of the maximum transmission unit of the media driver's protocol.
`static String`	`MULTICAST_FLOW_CONTROL_STRATEGY` `FlowControl` to be employed for multicast channels.
`static String`	`MULTICAST_FLOW_CONTROL_STRATEGY_PROP_NAME` Property name for `FlowControl` to be employed for multicast channels.
`static String`	`MULTICAST_FLOW_CONTROL_STRATEGY_SUPPLIER_PROP_NAME` Property name for `FlowControlSupplier` to be employed for unicast channels.
`static long`	`NAK_MAX_BACKOFF_DEFAULT_NS` Default max backoff for NAK delay randomisation in nanoseconds.
`static int`	`NAK_MULTICAST_GROUP_SIZE_DEFAULT` Default multicast receiver group size estimate for NAK delay randomisation.
`static String`	`NAK_MULTICAST_GROUP_SIZE_PROP_NAME` Expected size of multicast receiver groups property name.
`static String`	`NAK_MULTICAST_MAX_BACKOFF_PROP_NAME` Max backoff time for multicast NAK delay randomisation in nanoseconds.
`static long`	`NAK_UNICAST_DELAY_DEFAULT_NS` Default Unicast NAK delay in nanoseconds.
`static String`	`NAK_UNICAST_DELAY_PROP_NAME` Unicast NAK delay in nanoseconds property name.
`static long`	`PENDING_SETUPS_TIMEOUT_NS` Timeout on cleaning up pending SETUP message state on subscriber.
`static String`	`PERFORM_STORAGE_CHECKS_PROP_NAME` Property name for boolean value for if storage checks should be performed when allocating files.
`static String`	`PRINT_CONFIGURATION_ON_START_PROP_NAME` Should the driver print its configuration on start to `System.out`.
`static long`	`PUBLICATION_CONNECTION_TIMEOUT_DEFAULT_NS` Timeout for `Publication` connection timeout in nanoseconds
`static String`	`PUBLICATION_CONNECTION_TIMEOUT_PROP_NAME` Property name for `Publication` timeout due to lack of status messages which indicate a connection.
`static long`	`PUBLICATION_HEARTBEAT_TIMEOUT_NS` Timeout between heartbeats for publications.
`static long`	`PUBLICATION_LINGER_DEFAULT_NS` Default time for `Publication`s to linger after draining and before cleanup in nanoseconds.
`static String`	`PUBLICATION_LINGER_PROP_NAME` Property name for linger timeout after draining on `Publication`s so they can respond to NAKs.
`static int`	`PUBLICATION_RESERVED_SESSION_ID_HIGH_DEFAULT` High-end of the publication reserved session-id range which will not be automatically assigned.
`static String`	`PUBLICATION_RESERVED_SESSION_ID_HIGH_PROP_NAME` High-end of the publication reserved session-id range which will not be automatically assigned.
`static int`	`PUBLICATION_RESERVED_SESSION_ID_LOW_DEFAULT` Low-end of the publication reserved session-id range which will not be automatically assigned.
`static String`	`PUBLICATION_RESERVED_SESSION_ID_LOW_PROP_NAME` Property name for low end of the publication reserved session-id range which will not be automatically assigned.
`static long`	`PUBLICATION_SETUP_TIMEOUT_NS` Timeout between SETUP messages for publications during initial setup phase.
`static String`	`PUBLICATION_TERM_WINDOW_LENGTH_PROP_NAME` Property name for window limit on `Publication` side by which the publisher can get ahead of consumers.
`static long`	`PUBLICATION_UNBLOCK_TIMEOUT_DEFAULT_NS` Timeout for `Publication` unblock in nanoseconds.
`static String`	`PUBLICATION_UNBLOCK_TIMEOUT_PROP_NAME` `Publication` unblock timeout due to client crash or untimely commit.
`static long`	`RE_RESOLUTION_CHECK_INTERVAL_DEFAULT_NS` Default value for the re-resolution check interval.
`static String`	`RE_RESOLUTION_CHECK_INTERVAL_PROP_NAME` Property name for re-resolution check interval for resolving names to IP address.
`static String`	`RECEIVE_CHANNEL_ENDPOINT_SUPPLIER_PROP_NAME` Property name for `ReceiveChannelEndpointSupplier`.
`static String`	`RECEIVER_GROUP_TAG_PROP_NAME` Property name for default group tag (gtag) to send in all Status Messages.
`static String`	`RECEIVER_IDLE_STRATEGY_PROP_NAME` Property name for `IdleStrategy` to be employed by `Receiver` for `ThreadingMode.DEDICATED`.
`static String`	`REJOIN_STREAM_PROP_NAME` Property name for default boolean value for if a stream can be rejoined.
`static String`	`RELIABLE_STREAM_PROP_NAME` Property name for default boolean value for if a stream is reliable.
`static String`	`RESOLVER_BOOTSTRAP_NEIGHBOR_PROP_NAME` Property name for resolver bootstrap neighbors for which it can bootstrap naming, format is comma separated list of `hostname:port` pairs.
`static String`	`RESOLVER_INTERFACE_PROP_NAME` Property name for resolver interface to which network connections are made.
`static String`	`RESOLVER_NAME_PROP_NAME` Property name for resolver name of the Media Driver used in name resolution.
`static long`	`RETRANSMIT_UNICAST_DELAY_DEFAULT_NS` Default delay before retransmission of data for unicast in nanoseconds.
`static String`	`RETRANSMIT_UNICAST_DELAY_PROP_NAME` Property for setting how long to delay before sending a retransmit after receiving a NAK.
`static long`	`RETRANSMIT_UNICAST_LINGER_DEFAULT_NS` Default delay for linger for unicast in nanoseconds.
`static String`	`RETRANSMIT_UNICAST_LINGER_PROP_NAME` Property for setting how long to linger after delay on a NAK before responding to another NAK.
`static String`	`SEND_CHANNEL_ENDPOINT_SUPPLIER_PROP_NAME` Property name for `SendChannelEndpointSupplier`.
`static int`	`SEND_TO_STATUS_POLL_RATIO_DEFAULT` The ratio for sending data to polling status messages in the Sender.
`static String`	`SEND_TO_STATUS_POLL_RATIO_PROP_NAME` Property name for ratio of sending data to polling status messages in the `Sender`.
`static String`	`SENDER_IDLE_STRATEGY_PROP_NAME` Property name for `IdleStrategy` to be employed by `Sender` for `ThreadingMode.DEDICATED`.
`static String`	`SHARED_IDLE_STRATEGY_PROP_NAME` Property name for `IdleStrategy` to be employed by `Sender`, `Receiver`, and `DriverConductor` for `ThreadingMode.SHARED`.
`static String`	`SHARED_NETWORK_IDLE_STRATEGY_PROP_NAME` Property name for `IdleStrategy` to be employed by `Sender` and `Receiver` for `ThreadingMode.SHARED_NETWORK`.
`static String`	`SM_APPLICATION_SPECIFIC_FEEDBACK_PROP_NAME` Deprecated.
`static int`	`SOCKET_MULTICAST_TTL_DEFAULT` Multicast TTL value, 0 means use OS default.
`static String`	`SOCKET_MULTICAST_TTL_PROP_NAME` Property name for IP_MULTICAST_TTL setting on UDP sockets.
`static int`	`SOCKET_RCVBUF_LENGTH_DEFAULT` Default SO_RCVBUF length.
`static String`	`SOCKET_RCVBUF_LENGTH_PROP_NAME` Property name for SO_RCVBUF setting on UDP sockets which must be sufficient for Bandwidth Delay Product (BDP).
`static int`	`SOCKET_SNDBUF_LENGTH_DEFAULT` Default SO_SNDBUF length.
`static String`	`SOCKET_SNDBUF_LENGTH_PROP_NAME` Property name for SO_SNDBUF setting on UDP sockets which must be sufficient for Bandwidth Delay Product (BDP).
`static String`	`SPIES_SIMULATE_CONNECTION_PROP_NAME` Property name for if spy subscriptions simulate a connection to a network publication.
`static long`	`STATUS_MESSAGE_TIMEOUT_DEFAULT_NS` Max timeout between Status messages (SM)s.
`static String`	`STATUS_MESSAGE_TIMEOUT_PROP_NAME` Status message timeout in nanoseconds after which one will be sent when data flow has not triggered one.
`static int`	`TERM_BUFFER_IPC_LENGTH_DEFAULT` Default IPC term buffer length.
`static int`	`TERM_BUFFER_LENGTH_DEFAULT` Default term buffer length.
`static String`	`TERM_BUFFER_LENGTH_PROP_NAME` Length (in bytes) of the log buffers for UDP publication terms.
`static String`	`TERM_BUFFER_SPARSE_FILE_PROP_NAME` Property name for boolean value of term buffers should be created sparse.
`static String`	`TERMINATION_VALIDATOR_PROP_NAME` Property name for the class used to validate if a driver should terminate based on token.
`static String`	`TETHER_SUBSCRIPTIONS_PROP_NAME` Property name for default boolean value for if subscriptions should have a tether for local flow control.
`static String`	`THREADING_MODE_PROP_NAME` `ThreadingMode` to be used by the Aeron `MediaDriver`.
`static String`	`TIMER_INTERVAL_PROP_NAME` Interval between checks for timers and timeouts.
`static int`	`TO_CLIENTS_BUFFER_LENGTH_DEFAULT` Default buffer length for broadcast buffers from the media driver and the clients.
`static String`	`TO_CLIENTS_BUFFER_LENGTH_PROP_NAME` Length (in bytes) of the broadcast buffers from the media driver to the clients.
`static String`	`UNICAST_FLOW_CONTROL_STRATEGY` `FlowControl` to be employed for unicast channels.
`static String`	`UNICAST_FLOW_CONTROL_STRATEGY_PROP_NAME` Property name for `FlowControl` to be employed for unicast channels.
`static String`	`UNICAST_FLOW_CONTROL_STRATEGY_SUPPLIER_PROP_NAME` Property name for `FlowControlSupplier` to be employed for unicast channels.
`static long`	`UNTETHERED_RESTING_TIMEOUT_DEFAULT_NS` Default timeout for when an untethered subscription is resting after not being able to keep up before it is allowed to rejoin a stream.
`static String`	`UNTETHERED_RESTING_TIMEOUT_PROP_NAME` Property name of the timeout for when an untethered subscription is resting after not being able to keep up before it is allowed to rejoin a stream.
`static long`	`UNTETHERED_WINDOW_LIMIT_TIMEOUT_DEFAULT_NS` Default timeout for when an untethered subscription that is outside the window limit will participate in local flow control.
`static String`	`UNTETHERED_WINDOW_LIMIT_TIMEOUT_PROP_NAME` Property name of the timeout for when an untethered subscription that is outside the window limit will participate in local flow control.
`static String`	`USE_WINDOWS_HIGH_RES_TIMER_PROP_NAME` Should high resolution timer be used on Windows.

Constructor Summary

Constructors
Constructor and Description

Configuration()

Constructors
Constructor and Description
`Configuration()`

Method Summary

All Methods Static Methods Concrete Methods Deprecated Methods
Modifier and Type	Method and Description
`static IdleStrategy`	`agentIdleStrategy(String strategyName, StatusIndicator controllableStatus)` Get the `IdleStrategy` that should be applied to `Agent`s.
`static byte[]`	`applicationSpecificFeedback()` Deprecated. see `groupTag()`.
`static long`	`clientLivenessTimeoutNs()` `Aeron` client liveness timeout after which it is considered not alive.
`static int`	`conductorBufferLength()` Length (in bytes) of the conductor buffer for control commands from the clients to the media driver conductor.
`static long`	`conductorCycleThresholdNs()` Get threshold value for the conductor work cycle threshold to track for being exceeded.
`static IdleStrategy`	`conductorIdleStrategy(StatusIndicator controllableStatus)` `IdleStrategy` to be employed by `DriverConductor` for `ThreadingMode.DEDICATED` and `ThreadingMode.SHARED_NETWORK`.
`static CongestionControlSupplier`	`congestionControlSupplier()` Get the supplier of `CongestionControl` implementations which can be used for receivers.
`static long`	`counterFreeToReuseTimeoutNs()` Timeout between a counter being freed and being available to be reused.
`static int`	`countersMetadataBufferLength(int counterValuesBufferLength)` Compute the length of the `CountersManager` metadata buffer based on the length of the counters value buffer length.
`static int`	`counterValuesBufferLength()` Length of the buffer for the counters.
`static boolean`	`dirDeleteOnShutdown()` Should driver attempt to delete `CommonContext.AERON_DIR_PROP_NAME` on shutdown.
`static boolean`	`dirDeleteOnStart()` Should driver attempt to an immediate forced delete of `CommonContext.AERON_DIR_PROP_NAME` on start if it exists.
`static int`	`errorBufferLength()` Length of the memory mapped buffer for the distinct error log.
`static int`	`filePageSize()` Page size in bytes to align all files to.
`static int`	`flowControlGroupMinSize()` Default minimum group size used by flow control strategies to determine connectivity.
`static long`	`flowControlGroupTag()` Default group tag (gtag) used by the tagged flow control strategy to group receivers.
`static long`	`flowControlReceiverTimeoutNs()` Flow control timeout after which with no status messages the receiver is considered gone.
`static Long`	`groupTag()` Default group tag (gtag) to send in all Status Messages.
`static long`	`imageLivenessTimeoutNs()` `Image` liveness timeout for how long it stays active without heartbeats or lingers around after being drained.
`static int`	`initialWindowLength()` Length of the initial window which must be sufficient for Bandwidth Delay Product (BDP).
`static int`	`ipcMtuLength()` Length of the maximum transmission unit of the media driver's protocol for IPC.
`static int`	`ipcPublicationTermWindowLength()` The window limit on IPC `Publication` side by which the publisher can get ahead of consumers.
`static int`	`ipcTermBufferLength()` Length (in bytes) of the log buffers for IPC publication terms.
`static int`	`lossReportBufferLength()` Length of the memory mapped buffer for the `LossReport`.
`static long`	`lowStorageWarningThreshold()` Low file storage warning threshold in bytes for when performing storage checks.
`static int`	`mtuLength()` Length of the maximum transmission unit of the media driver's protocol.
`static FlowControlSupplier`	`multicastFlowControlSupplier()` Get the supplier of `FlowControl`s which can be used for changing behavior of flow control for multicast publications.
`static int`	`nakMulticastGroupSize()` Expected size of typical multicast receiver groups.
`static long`	`nakMulticastMaxBackoffNs()` Max backoff time for multicast NAK delay randomisation in nanoseconds.
`static long`	`nakUnicastDelayNs()` Unicast NAK delay in nanoseconds.
`static boolean`	`performStorageChecks()` Should storage checks should be performed before allocating files.
`static boolean`	`printConfigurationOnStart()` Should the driver configuration be printed on start.
`static int`	`producerWindowLength(int termBufferLength, int defaultTermWindowLength)` How far ahead a producer can get from a consumer position.
`static long`	`publicationConnectionTimeoutNs()` `Publication` timeout due to lack of status messages which indicate a connection.
`static long`	`publicationLingerTimeoutNs()` Linger timeout after draining on `Publication`s so they can respond to NAKs.
`static int`	`publicationReservedSessionIdHigh()` High-end of the publication reserved session-id range which will not be automatically assigned.
`static int`	`publicationReservedSessionIdLow()` Low-end of the publication reserved session-id range which will not be automatically assigned.
`static int`	`publicationTermWindowLength()` The window limit on UDP `Publication` side by which the publisher can get ahead of consumers.
`static long`	`publicationUnblockTimeoutNs()` `Publication` unblock timeout due to client crash or untimely commit.
`static ReceiveChannelEndpointSupplier`	`receiveChannelEndpointSupplier()` Get the supplier of `ReceiveChannelEndpoint`s which can be used for debugging, monitoring, or modifying the behaviour when receiving from the channel.
`static CommonContext.InferableBoolean`	`receiverGroupConsideration()` Should subscriptions should be considered a group member or individual connection, e.g.
`static IdleStrategy`	`receiverIdleStrategy(StatusIndicator controllableStatus)` `IdleStrategy` to be employed by `Receiver` for `ThreadingMode.DEDICATED`.
`static int`	`receiverWindowLength(int termBufferLength, int initialWindowLength)` Length to be used for the receiver window taking into account initial window length and term buffer length.
`static boolean`	`rejoinStream()` Default boolean value for if a stream can be rejoined.
`static boolean`	`reliableStream()` Default boolean value for if a stream is reliable.
`static long`	`reResolutionCheckIntervalNs()` Re-resolution check interval for resolving names to IP address when they may have changed.
`static String`	`resolverBootstrapNeighbor()` Resolver bootstrap neighbor for which it can bootstrap naming, format is hostname:port.
`static String`	`resolverInterface()` Property name for resolver interface to which network connections are made, format is hostname:port.
`static String`	`resolverName()` Resolver name of the Media Driver used in name resolution.
`static long`	`retransmitUnicastDelayNs()` Setting how long to delay before sending a retransmit after receiving a NAK.
`static long`	`retransmitUnicastLingerNs()` Setting how long to linger after delay on a NAK before responding to another NAK.
`static SendChannelEndpointSupplier`	`sendChannelEndpointSupplier()` Get the supplier of `SendChannelEndpoint`s which can be used for debugging, monitoring, or modifying the behaviour when sending to the channel.
`static IdleStrategy`	`senderIdleStrategy(StatusIndicator controllableStatus)` `IdleStrategy` to be employed by `Sender` for `ThreadingMode.DEDICATED`.
`static int`	`sendToStatusMessagePollRatio()` Ratio of sending data to polling status messages in the `Sender`.
`static IdleStrategy`	`sharedIdleStrategy(StatusIndicator controllableStatus)` `IdleStrategy` to be employed by `Sender`, `Receiver`, and `DriverConductor` for `ThreadingMode.SHARED`.
`static IdleStrategy`	`sharedNetworkIdleStrategy(StatusIndicator controllableStatus)` `IdleStrategy` to be employed by `Sender` and `Receiver` for `ThreadingMode.SHARED_NETWORK`.
`static int`	`socketMulticastTtl()` IP_MULTICAST_TTL setting on UDP sockets.
`static int`	`socketRcvbufLength()` SO_RCVBUF setting on UDP sockets which must be sufficient for Bandwidth Delay Product (BDP).
`static int`	`socketSndbufLength()` SO_SNDBUF setting on UDP sockets which must be sufficient for Bandwidth Delay Product (BDP).
`static String`	`sourceIdentity(InetSocketAddress srcAddress)` Create a source identity for a given source address.
`static boolean`	`spiesSimulateConnection()` Should spy subscriptions simulate a connection to a network publication.
`static long`	`statusMessageTimeoutNs()` Status message timeout in nanoseconds after which one will be sent when data flow has not triggered one.
`static int`	`termBufferLength()` Length (in bytes) of the log buffers for UDP publication terms.
`static boolean`	`termBufferSparseFile()` Should term buffers be created as sparse files.
`static TerminationValidator`	`terminationValidator()` Get the `TerminationValidator` implementations which can be used for validating a termination request sent to the driver to ensure the client has the right to terminate a driver.
`static boolean`	`tetherSubscriptions()` Default for if subscriptions should be tethered.
`static ThreadingMode`	`threadingMode()` `ThreadingMode` to be used by the Aeron `MediaDriver`.
`static long`	`timerIntervalNs()` Interval between checks for timers and timeouts.
`static int`	`toClientsBufferLength()` Length (in bytes) of the broadcast buffers from the media driver to the clients.
`static FlowControlSupplier`	`unicastFlowControlSupplier()` Get the supplier of `FlowControl`s which can be used for changing behavior of flow control for unicast publications.
`static long`	`untetheredRestingTimeoutNs()` The timeout for when an untethered subscription is resting after not being able to keep up before it is allowed to rejoin a stream.
`static long`	`untetheredWindowLimitTimeoutNs()` The timeout for when an untethered subscription that is outside the window limit will participate in local flow control.
`static boolean`	`useWindowsHighResTimer()` Should the high-resolution timer be used when running on Windows.
`static void`	`validateInitialWindowLength(int initialWindowLength, int mtuLength)` Validate that the initial window length is greater than MTU.
`static void`	`validateMtuLength(int mtuLength)` Validate that the MTU is an appropriate length.
`static void`	`validatePageSize(int pageSize)` Validate that page size is valid and alignment is valid.
`static void`	`validateSessionIdRange(int low, int high)` Validate the range of session ids based on a high and low value provided which accounts for the values wrapping.
`static void`	`validateSocketBufferLengths(MediaDriver.Context ctx)` Validate that the socket buffer lengths are sufficient for the media driver configuration.
`static void`	`validateUnblockTimeout(long publicationUnblockTimeoutNs, long clientLivenessTimeoutNs, long timerIntervalNs)` Validate that the timeouts for unblocking publications from a client are valid.
`static void`	`validateUntetheredTimeouts(long untetheredWindowLimitTimeoutNs, long untetheredRestingTimeoutNs, long timerIntervalNs)` Validate that the timeouts for untethered subscriptions are greater than timer interval.
`static boolean`	`warnIfDirExists()` Should a warning be printed if the aeron directory exist when starting.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - PRINT_CONFIGURATION_ON_START_PROP_NAME
```
public static final String PRINT_CONFIGURATION_ON_START_PROP_NAME
```
    Should the driver print its configuration on start to System.out.
    
    See Also:
    
    Constant Field Values
  - DIR_WARN_IF_EXISTS_PROP_NAME
```
public static final String DIR_WARN_IF_EXISTS_PROP_NAME
```
    Warn if the Aeron directory exists.
    
    See Also:
    
    Constant Field Values
  - DIR_DELETE_ON_START_PROP_NAME
```
public static final String DIR_DELETE_ON_START_PROP_NAME
```
    Should driver attempt to an immediate forced delete of CommonContext.AERON_DIR_PROP_NAME on start if it exists.
    
    See Also:
    
    Constant Field Values
  - DIR_DELETE_ON_SHUTDOWN_PROP_NAME
```
public static final String DIR_DELETE_ON_SHUTDOWN_PROP_NAME
```
    Should driver attempt to delete CommonContext.AERON_DIR_PROP_NAME on shutdown.
    
    See Also:
    
    Constant Field Values
  - USE_WINDOWS_HIGH_RES_TIMER_PROP_NAME
```
public static final String USE_WINDOWS_HIGH_RES_TIMER_PROP_NAME
```
    Should high resolution timer be used on Windows.
    
    See Also:
    
    Constant Field Values
  - TETHER_SUBSCRIPTIONS_PROP_NAME
```
public static final String TETHER_SUBSCRIPTIONS_PROP_NAME
```
    Property name for default boolean value for if subscriptions should have a tether for local flow control.
    
    See Also:
    
    Constant Field Values
  - RELIABLE_STREAM_PROP_NAME
```
public static final String RELIABLE_STREAM_PROP_NAME
```
    Property name for default boolean value for if a stream is reliable. True to NAK, false to gap fill.
    
    See Also:
    
    Constant Field Values
  - TERM_BUFFER_SPARSE_FILE_PROP_NAME
```
public static final String TERM_BUFFER_SPARSE_FILE_PROP_NAME
```
    Property name for boolean value of term buffers should be created sparse.
    
    See Also:
    
    Constant Field Values
  - GROUP_RECEIVER_CONSIDERATION_PROP_NAME
```
public static final String GROUP_RECEIVER_CONSIDERATION_PROP_NAME
```
    Property name for default boolean value for if subscriptions should be considered a group member or individual.
    
    See Also:
    
    Constant Field Values
  - FILE_PAGE_SIZE_PROP_NAME
```
public static final String FILE_PAGE_SIZE_PROP_NAME
```
    Property name for page size to align all files to.
    
    See Also:
    
    Constant Field Values
  - FILE_PAGE_SIZE_DEFAULT
```
public static final int FILE_PAGE_SIZE_DEFAULT
```
    Default page size for alignment of all files.
    
    See Also:
    
    Constant Field Values
  - PERFORM_STORAGE_CHECKS_PROP_NAME
```
public static final String PERFORM_STORAGE_CHECKS_PROP_NAME
```
    Property name for boolean value for if storage checks should be performed when allocating files.
    
    See Also:
    
    Constant Field Values
  - TERM_BUFFER_LENGTH_PROP_NAME
```
public static final String TERM_BUFFER_LENGTH_PROP_NAME
```
    Length (in bytes) of the log buffers for UDP publication terms.
    
    See Also:
    
    Constant Field Values
  - TERM_BUFFER_LENGTH_DEFAULT
```
public static final int TERM_BUFFER_LENGTH_DEFAULT
```
    Default term buffer length.
    
    See Also:
    
    Constant Field Values
  - IPC_TERM_BUFFER_LENGTH_PROP_NAME
```
public static final String IPC_TERM_BUFFER_LENGTH_PROP_NAME
```
    Length (in bytes) of the log buffers for IPC publication terms.
    
    See Also:
    
    Constant Field Values
  - TERM_BUFFER_IPC_LENGTH_DEFAULT
```
public static final int TERM_BUFFER_IPC_LENGTH_DEFAULT
```
    Default IPC term buffer length.
    
    See Also:
    
    Constant Field Values
  - LOW_FILE_STORE_WARNING_THRESHOLD_PROP_NAME
```
public static final String LOW_FILE_STORE_WARNING_THRESHOLD_PROP_NAME
```
    Property name low file storage warning threshold in bytes.
    
    See Also:
    
    Constant Field Values
  - LOW_FILE_STORE_WARNING_THRESHOLD_DEFAULT
```
public static final long LOW_FILE_STORE_WARNING_THRESHOLD_DEFAULT
```
    Default value in bytes for low file storage warning threshold.
    
    See Also:
    
    Constant Field Values
  - CONDUCTOR_BUFFER_LENGTH_PROP_NAME
```
public static final String CONDUCTOR_BUFFER_LENGTH_PROP_NAME
```
    Length (in bytes) of the conductor buffer for control commands from the clients to the media driver conductor.
    
    See Also:
    
    Constant Field Values
  - CONDUCTOR_BUFFER_LENGTH_DEFAULT
```
public static final int CONDUCTOR_BUFFER_LENGTH_DEFAULT
```
    Default buffer length for conductor buffers between the client and the media driver conductor.
  - TO_CLIENTS_BUFFER_LENGTH_PROP_NAME
```
public static final String TO_CLIENTS_BUFFER_LENGTH_PROP_NAME
```
    Length (in bytes) of the broadcast buffers from the media driver to the clients.
    
    See Also:
    
    Constant Field Values
  - TO_CLIENTS_BUFFER_LENGTH_DEFAULT
```
public static final int TO_CLIENTS_BUFFER_LENGTH_DEFAULT
```
    Default buffer length for broadcast buffers from the media driver and the clients.
  - COUNTERS_VALUES_BUFFER_LENGTH_PROP_NAME
```
public static final String COUNTERS_VALUES_BUFFER_LENGTH_PROP_NAME
```
    Property name for length of the buffer for the counters.
    Each counter uses CountersReader.COUNTER_LENGTH bytes.
    
    See Also:
    
    Constant Field Values
  - COUNTERS_VALUES_BUFFER_LENGTH_DEFAULT
```
public static final int COUNTERS_VALUES_BUFFER_LENGTH_DEFAULT
```
    Default length of the buffer for the counters file.
    
    See Also:
    
    Constant Field Values
  - ERROR_BUFFER_LENGTH_PROP_NAME
```
public static final String ERROR_BUFFER_LENGTH_PROP_NAME
```
    Property name for length of the memory mapped buffer for the distinct error log.
    
    See Also:
    
    Constant Field Values
  - ERROR_BUFFER_LENGTH_DEFAULT
```
public static final int ERROR_BUFFER_LENGTH_DEFAULT
```
    Default buffer length for the error buffer for the media driver.
    
    See Also:
    
    Constant Field Values
  - LOSS_REPORT_BUFFER_LENGTH_PROP_NAME
```
public static final String LOSS_REPORT_BUFFER_LENGTH_PROP_NAME
```
    Property name for length of the memory mapped buffer for the LossReport.
    
    See Also:
    
    Constant Field Values
  - LOSS_REPORT_BUFFER_LENGTH_DEFAULT
```
public static final int LOSS_REPORT_BUFFER_LENGTH_DEFAULT
```
    Default buffer length for the LossReport.
    
    See Also:
    
    Constant Field Values
  - INITIAL_WINDOW_LENGTH_PROP_NAME
```
public static final String INITIAL_WINDOW_LENGTH_PROP_NAME
```
    Property name for length of the initial window which must be sufficient for Bandwidth Delay Product (BDP).
    
    See Also:
    
    Constant Field Values
  - INITIAL_WINDOW_LENGTH_DEFAULT
```
public static final int INITIAL_WINDOW_LENGTH_DEFAULT
```
    Default initial window length for flow control sender to receiver purposes. This assumes a system free of pauses.
    Length of Initial Window:
    RTT (LAN) = 100 usec Throughput = 10 Gbps
    Buffer = Throughput * RTT Buffer = (10 * 1000 * 1000 * 1000 / 8) * 0.0001 = 125000 Round to 128 KB
    
    See Also:
    
    Constant Field Values
  - STATUS_MESSAGE_TIMEOUT_PROP_NAME
```
public static final String STATUS_MESSAGE_TIMEOUT_PROP_NAME
```
    Status message timeout in nanoseconds after which one will be sent when data flow has not triggered one.
    
    See Also:
    
    Constant Field Values
  - STATUS_MESSAGE_TIMEOUT_DEFAULT_NS
```
public static final long STATUS_MESSAGE_TIMEOUT_DEFAULT_NS
```
    Max timeout between Status messages (SM)s.
  - SEND_TO_STATUS_POLL_RATIO_PROP_NAME
```
public static final String SEND_TO_STATUS_POLL_RATIO_PROP_NAME
```
    Property name for ratio of sending data to polling status messages in the Sender.
    
    See Also:
    
    Constant Field Values
  - SEND_TO_STATUS_POLL_RATIO_DEFAULT
```
public static final int SEND_TO_STATUS_POLL_RATIO_DEFAULT
```
    The ratio for sending data to polling status messages in the Sender. This may be reduced for smaller windows.
    
    See Also:
    
    Constant Field Values
  - SOCKET_RCVBUF_LENGTH_PROP_NAME
```
public static final String SOCKET_RCVBUF_LENGTH_PROP_NAME
```
    Property name for SO_RCVBUF setting on UDP sockets which must be sufficient for Bandwidth Delay Product (BDP).
    
    See Also:
    
    Constant Field Values
  - SOCKET_RCVBUF_LENGTH_DEFAULT
```
public static final int SOCKET_RCVBUF_LENGTH_DEFAULT
```
    Default SO_RCVBUF length.
    
    See Also:
    
    Constant Field Values
  - SOCKET_SNDBUF_LENGTH_PROP_NAME
```
public static final String SOCKET_SNDBUF_LENGTH_PROP_NAME
```
    Property name for SO_SNDBUF setting on UDP sockets which must be sufficient for Bandwidth Delay Product (BDP).
    
    See Also:
    
    Constant Field Values
  - SOCKET_SNDBUF_LENGTH_DEFAULT
```
public static final int SOCKET_SNDBUF_LENGTH_DEFAULT
```
    Default SO_SNDBUF length.
    
    See Also:
    
    Constant Field Values
  - SOCKET_MULTICAST_TTL_PROP_NAME
```
public static final String SOCKET_MULTICAST_TTL_PROP_NAME
```
    Property name for IP_MULTICAST_TTL setting on UDP sockets.
    
    See Also:
    
    Constant Field Values
  - SOCKET_MULTICAST_TTL_DEFAULT
```
public static final int SOCKET_MULTICAST_TTL_DEFAULT
```
    Multicast TTL value, 0 means use OS default.
    
    See Also:
    
    Constant Field Values
  - PUBLICATION_LINGER_PROP_NAME
```
public static final String PUBLICATION_LINGER_PROP_NAME
```
    Property name for linger timeout after draining on Publications so they can respond to NAKs.
    
    See Also:
    
    Constant Field Values
  - PUBLICATION_LINGER_DEFAULT_NS
```
public static final long PUBLICATION_LINGER_DEFAULT_NS
```
    Default time for Publications to linger after draining and before cleanup in nanoseconds.
  - CLIENT_LIVENESS_TIMEOUT_PROP_NAME
```
public static final String CLIENT_LIVENESS_TIMEOUT_PROP_NAME
```
    Property name for Aeron client liveness timeout after which it is considered not alive.
    
    See Also:
    
    Constant Field Values
  - CLIENT_LIVENESS_TIMEOUT_DEFAULT_NS
```
public static final long CLIENT_LIVENESS_TIMEOUT_DEFAULT_NS
```
    Default timeout for client liveness timeout after which it is considered not alive.
  - IMAGE_LIVENESS_TIMEOUT_PROP_NAME
```
public static final String IMAGE_LIVENESS_TIMEOUT_PROP_NAME
```
    Image liveness timeout for how long it stays active without heartbeats or lingers around after being drained.
    
    See Also:
    
    Constant Field Values
  - IMAGE_LIVENESS_TIMEOUT_DEFAULT_NS
```
public static final long IMAGE_LIVENESS_TIMEOUT_DEFAULT_NS
```
    Default timeout for Image liveness timeout.
  - PUBLICATION_TERM_WINDOW_LENGTH_PROP_NAME
```
public static final String PUBLICATION_TERM_WINDOW_LENGTH_PROP_NAME
```
    Property name for window limit on Publication side by which the publisher can get ahead of consumers.
    
    See Also:
    
    Constant Field Values
  - IPC_PUBLICATION_TERM_WINDOW_LENGTH_PROP_NAME
```
public static final String IPC_PUBLICATION_TERM_WINDOW_LENGTH_PROP_NAME
```
    Property name for window limit for IPC publications.
    
    See Also:
    
    Constant Field Values
  - PUBLICATION_UNBLOCK_TIMEOUT_PROP_NAME
```
public static final String PUBLICATION_UNBLOCK_TIMEOUT_PROP_NAME
```
    Publication unblock timeout due to client crash or untimely commit.
    A publication can become blocked if the client crashes while publishing or if Publication.tryClaim(int, BufferClaim) is used without following up by calling BufferClaim.commit() or BufferClaim.abort().
    
    See Also:
    
    Constant Field Values
  - PUBLICATION_UNBLOCK_TIMEOUT_DEFAULT_NS
```
public static final long PUBLICATION_UNBLOCK_TIMEOUT_DEFAULT_NS
```
    Timeout for Publication unblock in nanoseconds.
  - PUBLICATION_CONNECTION_TIMEOUT_PROP_NAME
```
public static final String PUBLICATION_CONNECTION_TIMEOUT_PROP_NAME
```
    Property name for Publication timeout due to lack of status messages which indicate a connection.
    
    See Also:
    
    Constant Field Values
  - PUBLICATION_CONNECTION_TIMEOUT_DEFAULT_NS
```
public static final long PUBLICATION_CONNECTION_TIMEOUT_DEFAULT_NS
```
    Timeout for Publication connection timeout in nanoseconds
  - SPIES_SIMULATE_CONNECTION_PROP_NAME
```
public static final String SPIES_SIMULATE_CONNECTION_PROP_NAME
```
    Property name for if spy subscriptions simulate a connection to a network publication.
    If true then this will override the min group size of the min and tagged flow control strategies.
    
    See Also:
    
    Constant Field Values
  - IDLE_MAX_SPINS
```
public static final long IDLE_MAX_SPINS
```
    Spin on no activity before backing off to yielding.
    
    See Also:
    
    Constant Field Values
  - IDLE_MAX_YIELDS
```
public static final long IDLE_MAX_YIELDS
```
    Yield the thread so others can run before backing off to parking.
    
    See Also:
    
    Constant Field Values
  - IDLE_MIN_PARK_NS
```
public static final long IDLE_MIN_PARK_NS
```
    Park for the minimum period of time which is typically 50-55 microseconds on 64-bit non-virtualised Linux. You will typically get 50-55 microseconds plus the number of nanoseconds requested if a core is available. On Windows expect to wait for at least 16ms or 1ms if the high-res timers are enabled.
    
    See Also:
    
    Constant Field Values
  - IDLE_MAX_PARK_NS
```
public static final long IDLE_MAX_PARK_NS
```
    Maximum back-off park time which doubles on each interval stepping up from the min park idle.
  - CONTROLLABLE_IDLE_STRATEGY
```
public static final String CONTROLLABLE_IDLE_STRATEGY
```
    IdleStrategy to be used when mode can be controlled via a counter.
    
    See Also:
    
    Constant Field Values
  - SENDER_IDLE_STRATEGY_PROP_NAME
```
public static final String SENDER_IDLE_STRATEGY_PROP_NAME
```
    Property name for IdleStrategy to be employed by Sender for ThreadingMode.DEDICATED.
    
    See Also:
    
    Constant Field Values
  - RECEIVER_IDLE_STRATEGY_PROP_NAME
```
public static final String RECEIVER_IDLE_STRATEGY_PROP_NAME
```
    Property name for IdleStrategy to be employed by Receiver for ThreadingMode.DEDICATED.
    
    See Also:
    
    Constant Field Values
  - CONDUCTOR_IDLE_STRATEGY_PROP_NAME
```
public static final String CONDUCTOR_IDLE_STRATEGY_PROP_NAME
```
    Property name for IdleStrategy to be employed by DriverConductor for ThreadingMode.DEDICATED and ThreadingMode.SHARED_NETWORK.
    
    See Also:
    
    Constant Field Values
  - SHARED_NETWORK_IDLE_STRATEGY_PROP_NAME
```
public static final String SHARED_NETWORK_IDLE_STRATEGY_PROP_NAME
```
    Property name for IdleStrategy to be employed by Sender and Receiver for ThreadingMode.SHARED_NETWORK.
    
    See Also:
    
    Constant Field Values
  - SHARED_IDLE_STRATEGY_PROP_NAME
```
public static final String SHARED_IDLE_STRATEGY_PROP_NAME
```
    Property name for IdleStrategy to be employed by Sender, Receiver, and DriverConductor for ThreadingMode.SHARED.
    
    See Also:
    
    Constant Field Values
  - UNICAST_FLOW_CONTROL_STRATEGY_PROP_NAME
```
public static final String UNICAST_FLOW_CONTROL_STRATEGY_PROP_NAME
```
    Property name for FlowControl to be employed for unicast channels.
    
    See Also:
    
    Constant Field Values
  - UNICAST_FLOW_CONTROL_STRATEGY
```
public static final String UNICAST_FLOW_CONTROL_STRATEGY
```
    FlowControl to be employed for unicast channels.
  - MULTICAST_FLOW_CONTROL_STRATEGY_PROP_NAME
```
public static final String MULTICAST_FLOW_CONTROL_STRATEGY_PROP_NAME
```
    Property name for FlowControl to be employed for multicast channels.
    
    See Also:
    
    Constant Field Values
  - MULTICAST_FLOW_CONTROL_STRATEGY
```
public static final String MULTICAST_FLOW_CONTROL_STRATEGY
```
    FlowControl to be employed for multicast channels.
  - UNICAST_FLOW_CONTROL_STRATEGY_SUPPLIER_PROP_NAME
```
public static final String UNICAST_FLOW_CONTROL_STRATEGY_SUPPLIER_PROP_NAME
```
    Property name for FlowControlSupplier to be employed for unicast channels.
    
    See Also:
    
    Constant Field Values
  - MULTICAST_FLOW_CONTROL_STRATEGY_SUPPLIER_PROP_NAME
```
public static final String MULTICAST_FLOW_CONTROL_STRATEGY_SUPPLIER_PROP_NAME
```
    Property name for FlowControlSupplier to be employed for unicast channels.
    
    See Also:
    
    Constant Field Values
  - MAX_UDP_PAYLOAD_LENGTH
```
public static final int MAX_UDP_PAYLOAD_LENGTH
```
    Maximum UDP datagram payload size for IPv4. Jumbo datagrams from IPv6 are not supported.
    Max length is 65,507 bytes as 65,535 minus 8 byte UDP header then minus 20 byte IP header. Then round down to the nearest multiple of FrameDescriptor.FRAME_ALIGNMENT giving 65,504.
    
    See Also:
    
    Constant Field Values
  - MTU_LENGTH_PROP_NAME
```
public static final String MTU_LENGTH_PROP_NAME
```
    Length of the maximum transmission unit of the media driver's protocol. If this is greater than the network MTU for UDP then the packet will be fragmented and can amplify the impact of loss.
    
    See Also:
    
    Constant Field Values
  - MTU_LENGTH_DEFAULT
```
public static final int MTU_LENGTH_DEFAULT
```
    The default is conservative to avoid fragmentation on IPv4 or IPv6 over Ethernet with PPPoE header, or for clouds such as Google, Azure, and AWS.
    On networks that suffer little congestion then a larger value can be used to reduce syscall costs.
    
    See Also:
    
    Constant Field Values
  - IPC_MTU_LENGTH_PROP_NAME
```
public static final String IPC_MTU_LENGTH_PROP_NAME
```
    Length of the maximum transmission unit of the media driver's protocol for IPC. This can be larger than the UDP version but if recorded replay needs to be considered.
    
    See Also:
    
    Constant Field Values
  - THREADING_MODE_PROP_NAME
```
public static final String THREADING_MODE_PROP_NAME
```
    ThreadingMode to be used by the Aeron MediaDriver.
    
    See Also:
    
    Constant Field Values
  - TIMER_INTERVAL_PROP_NAME
```
public static final String TIMER_INTERVAL_PROP_NAME
```
    Interval between checks for timers and timeouts.
    
    See Also:
    
    Constant Field Values
  - DEFAULT_TIMER_INTERVAL_NS
```
public static final long DEFAULT_TIMER_INTERVAL_NS
```
    Default interval between checks for timers and timeouts.
  - COUNTER_FREE_TO_REUSE_TIMEOUT_PROP_NAME
```
public static final String COUNTER_FREE_TO_REUSE_TIMEOUT_PROP_NAME
```
    Timeout between a counter being freed and being available to be reused.
    
    See Also:
    
    Constant Field Values
  - DEFAULT_COUNTER_FREE_TO_REUSE_TIMEOUT_NS
```
public static final long DEFAULT_COUNTER_FREE_TO_REUSE_TIMEOUT_NS
```
    Default timeout between a counter being freed and being available to be reused.
  - SEND_CHANNEL_ENDPOINT_SUPPLIER_PROP_NAME
```
public static final String SEND_CHANNEL_ENDPOINT_SUPPLIER_PROP_NAME
```
    Property name for SendChannelEndpointSupplier.
    
    See Also:
    
    Constant Field Values
  - RECEIVE_CHANNEL_ENDPOINT_SUPPLIER_PROP_NAME
```
public static final String RECEIVE_CHANNEL_ENDPOINT_SUPPLIER_PROP_NAME
```
    Property name for ReceiveChannelEndpointSupplier.
    
    See Also:
    
    Constant Field Values
  - SM_APPLICATION_SPECIFIC_FEEDBACK_PROP_NAME
```
@Deprecated
public static final String SM_APPLICATION_SPECIFIC_FEEDBACK_PROP_NAME
```
    Deprecated.
    
    Property name for Application Specific Feedback added to Status Messages by the driver for flow control.
    Replaced by RECEIVER_GROUP_TAG_PROP_NAME.
    
    See Also:
    
    Constant Field Values
  - CONGESTION_CONTROL_STRATEGY_SUPPLIER_PROP_NAME
```
public static final String CONGESTION_CONTROL_STRATEGY_SUPPLIER_PROP_NAME
```
    Property name for CongestionControlSupplier to be employed for receivers.
    
    See Also:
    
    Constant Field Values
  - PUBLICATION_RESERVED_SESSION_ID_LOW_PROP_NAME
```
public static final String PUBLICATION_RESERVED_SESSION_ID_LOW_PROP_NAME
```
    Property name for low end of the publication reserved session-id range which will not be automatically assigned.
    
    See Also:
    
    Constant Field Values
  - PUBLICATION_RESERVED_SESSION_ID_LOW_DEFAULT
```
public static final int PUBLICATION_RESERVED_SESSION_ID_LOW_DEFAULT
```
    Low-end of the publication reserved session-id range which will not be automatically assigned.
    
    See Also:
    
    Constant Field Values
  - PUBLICATION_RESERVED_SESSION_ID_HIGH_PROP_NAME
```
public static final String PUBLICATION_RESERVED_SESSION_ID_HIGH_PROP_NAME
```
    High-end of the publication reserved session-id range which will not be automatically assigned.
    
    See Also:
    
    Constant Field Values
  - PUBLICATION_RESERVED_SESSION_ID_HIGH_DEFAULT
```
public static final int PUBLICATION_RESERVED_SESSION_ID_HIGH_DEFAULT
```
    High-end of the publication reserved session-id range which will not be automatically assigned.
    
    See Also:
    
    Constant Field Values
  - COMMAND_DRAIN_LIMIT
```
public static final int COMMAND_DRAIN_LIMIT
```
    Limit for the number of commands drained in one operation.
    
    See Also:
    
    Constant Field Values
  - CMD_QUEUE_CAPACITY
```
public static final int CMD_QUEUE_CAPACITY
```
    Capacity for the command queues used between driver agents.
    
    See Also:
    
    Constant Field Values
  - PENDING_SETUPS_TIMEOUT_NS
```
public static final long PENDING_SETUPS_TIMEOUT_NS
```
    Timeout on cleaning up pending SETUP message state on subscriber.
  - PUBLICATION_SETUP_TIMEOUT_NS
```
public static final long PUBLICATION_SETUP_TIMEOUT_NS
```
    Timeout between SETUP messages for publications during initial setup phase.
  - PUBLICATION_HEARTBEAT_TIMEOUT_NS
```
public static final long PUBLICATION_HEARTBEAT_TIMEOUT_NS
```
    Timeout between heartbeats for publications.
  - NAK_MULTICAST_GROUP_SIZE_PROP_NAME
```
public static final String NAK_MULTICAST_GROUP_SIZE_PROP_NAME
```
    Expected size of multicast receiver groups property name.
    
    See Also:
    
    Constant Field Values
  - NAK_MULTICAST_GROUP_SIZE_DEFAULT
```
public static final int NAK_MULTICAST_GROUP_SIZE_DEFAULT
```
    Default multicast receiver group size estimate for NAK delay randomisation.
    
    See Also:
    
    Constant Field Values
  - NAK_MULTICAST_MAX_BACKOFF_PROP_NAME
```
public static final String NAK_MULTICAST_MAX_BACKOFF_PROP_NAME
```
    Max backoff time for multicast NAK delay randomisation in nanoseconds.
    
    See Also:
    
    Constant Field Values
  - NAK_MAX_BACKOFF_DEFAULT_NS
```
public static final long NAK_MAX_BACKOFF_DEFAULT_NS
```
    Default max backoff for NAK delay randomisation in nanoseconds.
  - NAK_UNICAST_DELAY_PROP_NAME
```
public static final String NAK_UNICAST_DELAY_PROP_NAME
```
    Unicast NAK delay in nanoseconds property name.
    
    See Also:
    
    Constant Field Values
  - NAK_UNICAST_DELAY_DEFAULT_NS
```
public static final long NAK_UNICAST_DELAY_DEFAULT_NS
```
    Default Unicast NAK delay in nanoseconds.
  - RETRANSMIT_UNICAST_DELAY_PROP_NAME
```
public static final String RETRANSMIT_UNICAST_DELAY_PROP_NAME
```
    Property for setting how long to delay before sending a retransmit after receiving a NAK.
    
    See Also:
    
    Constant Field Values
  - RETRANSMIT_UNICAST_DELAY_DEFAULT_NS
```
public static final long RETRANSMIT_UNICAST_DELAY_DEFAULT_NS
```
    Default delay before retransmission of data for unicast in nanoseconds.
  - RETRANSMIT_UNICAST_LINGER_PROP_NAME
```
public static final String RETRANSMIT_UNICAST_LINGER_PROP_NAME
```
    Property for setting how long to linger after delay on a NAK before responding to another NAK.
    
    See Also:
    
    Constant Field Values
  - RETRANSMIT_UNICAST_LINGER_DEFAULT_NS
```
public static final long RETRANSMIT_UNICAST_LINGER_DEFAULT_NS
```
    Default delay for linger for unicast in nanoseconds.
  - UNTETHERED_WINDOW_LIMIT_TIMEOUT_PROP_NAME
```
public static final String UNTETHERED_WINDOW_LIMIT_TIMEOUT_PROP_NAME
```
    Property name of the timeout for when an untethered subscription that is outside the window limit will participate in local flow control.
    
    See Also:
    
    Constant Field Values
  - UNTETHERED_WINDOW_LIMIT_TIMEOUT_DEFAULT_NS
```
public static final long UNTETHERED_WINDOW_LIMIT_TIMEOUT_DEFAULT_NS
```
    Default timeout for when an untethered subscription that is outside the window limit will participate in local flow control.
  - UNTETHERED_RESTING_TIMEOUT_PROP_NAME
```
public static final String UNTETHERED_RESTING_TIMEOUT_PROP_NAME
```
    Property name of the timeout for when an untethered subscription is resting after not being able to keep up before it is allowed to rejoin a stream.
    
    See Also:
    
    Constant Field Values
  - UNTETHERED_RESTING_TIMEOUT_DEFAULT_NS
```
public static final long UNTETHERED_RESTING_TIMEOUT_DEFAULT_NS
```
    Default timeout for when an untethered subscription is resting after not being able to keep up before it is allowed to rejoin a stream.
  - MAX_RETRANSMITS_DEFAULT
```
public static final int MAX_RETRANSMITS_DEFAULT
```
    Default max number of active retransmissions per connected stream.
    
    See Also:
    
    Constant Field Values
  - TERMINATION_VALIDATOR_PROP_NAME
```
public static final String TERMINATION_VALIDATOR_PROP_NAME
```
    Property name for the class used to validate if a driver should terminate based on token.
    
    See Also:
    
    Constant Field Values
  - REJOIN_STREAM_PROP_NAME
```
public static final String REJOIN_STREAM_PROP_NAME
```
    Property name for default boolean value for if a stream can be rejoined. True to allow stream rejoin.
    
    See Also:
    
    Constant Field Values
  - RECEIVER_GROUP_TAG_PROP_NAME
```
public static final String RECEIVER_GROUP_TAG_PROP_NAME
```
    Property name for default group tag (gtag) to send in all Status Messages.
    
    See Also:
    
    Constant Field Values
  - FLOW_CONTROL_GROUP_TAG_PROP_NAME
```
public static final String FLOW_CONTROL_GROUP_TAG_PROP_NAME
```
    Property name for default group tag (gtag) used by the tagged flow control strategy to group receivers.
    
    See Also:
    
    Constant Field Values
  - FLOW_CONTROL_GROUP_MIN_SIZE_PROP_NAME
```
public static final String FLOW_CONTROL_GROUP_MIN_SIZE_PROP_NAME
```
    Property name for default minimum group size used by flow control strategies to determine connectivity.
    
    See Also:
    
    Constant Field Values
  - FLOW_CONTROL_RECEIVER_TIMEOUT_DEFAULT_NS
```
public static final long FLOW_CONTROL_RECEIVER_TIMEOUT_DEFAULT_NS
```
    Default value for the receiver timeout used to determine if the receiver should still be monitored for flow control purposes.
  - FLOW_CONTROL_RECEIVER_TIMEOUT_PROP_NAME
```
public static final String FLOW_CONTROL_RECEIVER_TIMEOUT_PROP_NAME
```
    Property name for flow control timeout after which with no status messages the receiver is considered gone.
    
    See Also:
    
    Constant Field Values
  - RESOLVER_NAME_PROP_NAME
```
public static final String RESOLVER_NAME_PROP_NAME
```
    Property name for resolver name of the Media Driver used in name resolution.
    
    See Also:
    
    Constant Field Values
  - RESOLVER_INTERFACE_PROP_NAME
```
public static final String RESOLVER_INTERFACE_PROP_NAME
```
    Property name for resolver interface to which network connections are made.
    
    See Also:
    
    RESOLVER_BOOTSTRAP_NEIGHBOR_PROP_NAME, Constant Field Values
  - RESOLVER_BOOTSTRAP_NEIGHBOR_PROP_NAME
```
public static final String RESOLVER_BOOTSTRAP_NEIGHBOR_PROP_NAME
```
    Property name for resolver bootstrap neighbors for which it can bootstrap naming, format is comma separated list of hostname:port pairs.
    
    See Also:
    
    RESOLVER_INTERFACE_PROP_NAME, Constant Field Values
  - RE_RESOLUTION_CHECK_INTERVAL_PROP_NAME
```
public static final String RE_RESOLUTION_CHECK_INTERVAL_PROP_NAME
```
    Property name for re-resolution check interval for resolving names to IP address.
    
    See Also:
    
    Constant Field Values
  - RE_RESOLUTION_CHECK_INTERVAL_DEFAULT_NS
```
public static final long RE_RESOLUTION_CHECK_INTERVAL_DEFAULT_NS
```
    Default value for the re-resolution check interval.
  - CONDUCTOR_CYCLE_THRESHOLD_PROP_NAME
```
public static final String CONDUCTOR_CYCLE_THRESHOLD_PROP_NAME
```
    Property name for threshold value for the conductor work cycle threshold to track for being exceeded.
    
    See Also:
    
    Constant Field Values
  - CONDUCTOR_CYCLE_THRESHOLD_DEFAULT_NS
```
public static final long CONDUCTOR_CYCLE_THRESHOLD_DEFAULT_NS
```
    Default threshold value for the conductor work cycle threshold to track for being exceeded.
- Constructor Detail
  - Configuration
```
public Configuration()
```
- Method Detail
  - printConfigurationOnStart
```
public static boolean printConfigurationOnStart()
```
    Should the driver configuration be printed on start.
    
    Returns:
    
    true if the driver configuration be printed on start.
    
    See Also:
    
    PRINT_CONFIGURATION_ON_START_PROP_NAME
  - useWindowsHighResTimer
```
public static boolean useWindowsHighResTimer()
```
    Should the high-resolution timer be used when running on Windows.
    
    Returns:
    
    true if the high-resolution timer be used when running on Windows.
    
    See Also:
    
    USE_WINDOWS_HIGH_RES_TIMER_PROP_NAME
  - warnIfDirExists
```
public static boolean warnIfDirExists()
```
    Should a warning be printed if the aeron directory exist when starting.
    
    Returns:
    
    true if a warning be printed if the aeron directory exist when starting.
    
    See Also:
    
    DIR_WARN_IF_EXISTS_PROP_NAME
  - dirDeleteOnStart
```
public static boolean dirDeleteOnStart()
```
    Should driver attempt to an immediate forced delete of CommonContext.AERON_DIR_PROP_NAME on start if it exists.
    
    Returns:
    
    true if the aeron directory be deleted on start without checking if active.
    
    See Also:
    
    DIR_DELETE_ON_START_PROP_NAME
  - dirDeleteOnShutdown
```
public static boolean dirDeleteOnShutdown()
```
    Should driver attempt to delete CommonContext.AERON_DIR_PROP_NAME on shutdown.
    
    Returns:
    
    true if driver should attempt to delete CommonContext.AERON_DIR_PROP_NAME on shutdown.
    
    See Also:
    
    DIR_DELETE_ON_SHUTDOWN_PROP_NAME
  - termBufferSparseFile
```
public static boolean termBufferSparseFile()
```
    Should term buffers be created as sparse files. This can save space at the expense of latency when required.
    
    Returns:
    
    true if term buffers should be created as sparse files.
    
    See Also:
    
    TERM_BUFFER_SPARSE_FILE_PROP_NAME
  - tetherSubscriptions
```
public static boolean tetherSubscriptions()
```
    Default for if subscriptions should be tethered.
    
    Returns:
    
    true if the default subscriptions should be tethered.
    
    See Also:
    
    TETHER_SUBSCRIPTIONS_PROP_NAME
  - reliableStream
```
public static boolean reliableStream()
```
    Default boolean value for if a stream is reliable. True to NAK, false to gap fill.
    
    Returns:
    
    true if NAK is default or false to gap fill.
    
    See Also:
    
    RELIABLE_STREAM_PROP_NAME
  - performStorageChecks
```
public static boolean performStorageChecks()
```
    Should storage checks should be performed before allocating files.
    
    Returns:
    
    true of storage checks should be performed before allocating files.
    
    See Also:
    
    PERFORM_STORAGE_CHECKS_PROP_NAME
  - spiesSimulateConnection
```
public static boolean spiesSimulateConnection()
```
    Should spy subscriptions simulate a connection to a network publication.
    If true then this will override the min group size of the min and tagged flow control strategies.
    
    Returns:
    
    true if spy subscriptions should simulate a connection to a network publication.
    
    See Also:
    
    SPIES_SIMULATE_CONNECTION_PROP_NAME
  - receiverGroupConsideration
```
public static CommonContext.InferableBoolean receiverGroupConsideration()
```
    Should subscriptions should be considered a group member or individual connection, e.g. multicast vs unicast.
    
    Returns:
    
    true if subscriptions should be considered a group member or false if individual.
    
    See Also:
    
    GROUP_RECEIVER_CONSIDERATION_PROP_NAME
  - conductorBufferLength
```
public static int conductorBufferLength()
```
    Length (in bytes) of the conductor buffer for control commands from the clients to the media driver conductor.
    
    Returns:
    
    length (in bytes) of the conductor buffer for control commands from the clients to the media driver.
    
    See Also:
    
    CONDUCTOR_BUFFER_LENGTH_PROP_NAME
  - toClientsBufferLength
```
public static int toClientsBufferLength()
```
    Length (in bytes) of the broadcast buffers from the media driver to the clients.
    
    Returns:
    
    length (in bytes) of the broadcast buffers from the media driver to the clients.
    
    See Also:
    
    TO_CLIENTS_BUFFER_LENGTH_PROP_NAME
  - counterValuesBufferLength
```
public static int counterValuesBufferLength()
```
    Length of the buffer for the counters.
    Each counter uses CountersReader.COUNTER_LENGTH bytes.
    
    Returns:
    
    Length of the buffer for the counters.
    
    See Also:
    
    COUNTERS_VALUES_BUFFER_LENGTH_PROP_NAME
  - errorBufferLength
```
public static int errorBufferLength()
```
    Length of the memory mapped buffer for the distinct error log.
    
    Returns:
    
    length of the memory mapped buffer for the distinct error log.
  - nakMulticastGroupSize
```
public static int nakMulticastGroupSize()
```
    Expected size of typical multicast receiver groups.
    
    Returns:
    
    expected size of typical multicast receiver groups.
    
    See Also:
    
    NAK_MULTICAST_GROUP_SIZE_PROP_NAME
  - nakMulticastMaxBackoffNs
```
public static long nakMulticastMaxBackoffNs()
```
    Max backoff time for multicast NAK delay randomisation in nanoseconds.
    
    Returns:
    
    max backoff time for multicast NAK delay randomisation in nanoseconds.
    
    See Also:
    
    NAK_MULTICAST_MAX_BACKOFF_PROP_NAME
  - nakUnicastDelayNs
```
public static long nakUnicastDelayNs()
```
    Unicast NAK delay in nanoseconds.
    
    Returns:
    
    unicast NAK delay in nanoseconds.
    
    See Also:
    
    NAK_UNICAST_DELAY_PROP_NAME
  - timerIntervalNs
```
public static long timerIntervalNs()
```
    Interval between checks for timers and timeouts.
    
    Returns:
    
    interval between checks for timers and timeouts.
    
    See Also:
    
    TIMER_INTERVAL_PROP_NAME
  - lowStorageWarningThreshold
```
public static long lowStorageWarningThreshold()
```
    Low file storage warning threshold in bytes for when performing storage checks.
    
    Returns:
    
    Low file storage warning threshold for when performing storage checks.
    
    See Also:
    
    LOW_FILE_STORE_WARNING_THRESHOLD_PROP_NAME, PERFORM_STORAGE_CHECKS_PROP_NAME
  - publicationTermWindowLength
```
public static int publicationTermWindowLength()
```
    The window limit on UDP Publication side by which the publisher can get ahead of consumers.
    
    Returns:
    
    window limit on UDP Publication side by which the publisher can get ahead of consumers.
    
    See Also:
    
    PUBLICATION_TERM_WINDOW_LENGTH_PROP_NAME
  - ipcPublicationTermWindowLength
```
public static int ipcPublicationTermWindowLength()
```
    The window limit on IPC Publication side by which the publisher can get ahead of consumers.
    
    Returns:
    
    window limit on IPC Publication side by which the publisher can get ahead of consumers.
    
    See Also:
    
    IPC_PUBLICATION_TERM_WINDOW_LENGTH_PROP_NAME
  - untetheredWindowLimitTimeoutNs
```
public static long untetheredWindowLimitTimeoutNs()
```
    The timeout for when an untethered subscription that is outside the window limit will participate in local flow control.
    
    Returns:
    
    the timeout for when an untethered subscription that is outside the window limit will be included.
    
    See Also:
    
    UNTETHERED_WINDOW_LIMIT_TIMEOUT_PROP_NAME, UNTETHERED_RESTING_TIMEOUT_PROP_NAME, TETHER_SUBSCRIPTIONS_PROP_NAME
  - untetheredRestingTimeoutNs
```
public static long untetheredRestingTimeoutNs()
```
    The timeout for when an untethered subscription is resting after not being able to keep up before it is allowed to rejoin a stream.
    
    Returns:
    
    The timeout for when an untethered subscription is resting before rejoining a stream.
    
    See Also:
    
    UNTETHERED_RESTING_TIMEOUT_PROP_NAME, UNTETHERED_WINDOW_LIMIT_TIMEOUT_PROP_NAME, TETHER_SUBSCRIPTIONS_PROP_NAME
  - rejoinStream
```
public static boolean rejoinStream()
```
    Default boolean value for if a stream can be rejoined. True to allow stream rejoin, false to not.
    
    Returns:
    
    boolean value for if a stream can be rejoined. True to allow stream rejoin, false to not.
    
    See Also:
    
    REJOIN_STREAM_PROP_NAME
  - groupTag
```
public static Long groupTag()
```
    Default group tag (gtag) to send in all Status Messages. If not provided then no gtag is sent.
    
    Returns:
    
    Default group tag (gtag) to send in all Status Messages.
    
    See Also:
    
    RECEIVER_GROUP_TAG_PROP_NAME
  - flowControlGroupTag
```
public static long flowControlGroupTag()
```
    Default group tag (gtag) used by the tagged flow control strategy to group receivers.
    
    Returns:
    
    group tag (gtag) used by the tagged flow control strategy to group receivers.
    
    See Also:
    
    FLOW_CONTROL_GROUP_TAG_PROP_NAME
  - flowControlGroupMinSize
```
public static int flowControlGroupMinSize()
```
    Default minimum group size used by flow control strategies to determine connectivity.
    
    Returns:
    
    default minimum group size used by flow control strategies to determine connectivity.
    
    See Also:
    
    FLOW_CONTROL_GROUP_MIN_SIZE_PROP_NAME
  - flowControlReceiverTimeoutNs
```
public static long flowControlReceiverTimeoutNs()
```
    Flow control timeout after which with no status messages the receiver is considered gone.
    
    Returns:
    
    flow control timeout after which with no status messages the receiver is considered gone.
    
    See Also:
    
    FLOW_CONTROL_RECEIVER_TIMEOUT_PROP_NAME
  - resolverName
```
public static String resolverName()
```
    Resolver name of the Media Driver used in name resolution.
    
    Returns:
    
    resolver name of the Media Driver used in name resolution.
    
    See Also:
    
    RESOLVER_NAME_PROP_NAME
  - resolverInterface
```
public static String resolverInterface()
```
    Property name for resolver interface to which network connections are made, format is hostname:port.
    
    Returns:
    
    resolver interface to which network connections are made, format is hostname:port.
    
    See Also:
    
    RESOLVER_INTERFACE_PROP_NAME
  - resolverBootstrapNeighbor
```
public static String resolverBootstrapNeighbor()
```
    Resolver bootstrap neighbor for which it can bootstrap naming, format is hostname:port.
    
    Returns:
    
    resolver bootstrap neighbor for which it can bootstrap naming, format is hostname:port.
    
    See Also:
    
    RESOLVER_BOOTSTRAP_NEIGHBOR_PROP_NAME, RESOLVER_INTERFACE_PROP_NAME
  - reResolutionCheckIntervalNs
```
public static long reResolutionCheckIntervalNs()
```
    Re-resolution check interval for resolving names to IP address when they may have changed.
    
    Returns:
    
    re-resolution check interval for resolving names to IP address when they may have changed.
    
    See Also:
    
    RE_RESOLUTION_CHECK_INTERVAL_PROP_NAME
  - producerWindowLength
```
public static int producerWindowLength(int termBufferLength,
                                       int defaultTermWindowLength)
```
    How far ahead a producer can get from a consumer position.
    
    Parameters:
    
    termBufferLength - for when default is not set and considering an appropriate minimum.
    
    defaultTermWindowLength - to take priority.
    
    Returns:
    
    the length to be used for the producer window.
  - receiverWindowLength
```
public static int receiverWindowLength(int termBufferLength,
                                       int initialWindowLength)
```
    Length to be used for the receiver window taking into account initial window length and term buffer length.
    
    Parameters:
    
    termBufferLength - for the publication image.
    
    initialWindowLength - set for the channel.
    
    Returns:
    
    the length to be used for the receiver window.
  - termBufferLength
```
public static int termBufferLength()
```
    Length (in bytes) of the log buffers for UDP publication terms.
    
    Returns:
    
    length (in bytes) of the log buffers for UDP publication terms.
    
    See Also:
    
    TERM_BUFFER_LENGTH_PROP_NAME
  - ipcTermBufferLength
```
public static int ipcTermBufferLength()
```
    Length (in bytes) of the log buffers for IPC publication terms.
    
    Returns:
    
    length (in bytes) of the log buffers for IPC publication terms.
    
    See Also:
    
    IPC_TERM_BUFFER_LENGTH_PROP_NAME
  - initialWindowLength
```
public static int initialWindowLength()
```
    Length of the initial window which must be sufficient for Bandwidth Delay Product (BDP).
    
    Returns:
    
    length of the initial window which must be sufficient for Bandwidth Delay Product (BDP).
    
    See Also:
    
    INITIAL_WINDOW_LENGTH_PROP_NAME
  - socketSndbufLength
```
public static int socketSndbufLength()
```
    SO_SNDBUF setting on UDP sockets which must be sufficient for Bandwidth Delay Product (BDP).
    
    Returns:
    
    SO_SNDBUF setting on UDP sockets which must be sufficient for Bandwidth Delay Product (BDP).
    
    See Also:
    
    SOCKET_SNDBUF_LENGTH_PROP_NAME
  - socketRcvbufLength
```
public static int socketRcvbufLength()
```
    SO_RCVBUF setting on UDP sockets which must be sufficient for Bandwidth Delay Product (BDP).
    
    Returns:
    
    SO_RCVBUF setting on UDP sockets which must be sufficient for Bandwidth Delay Product (BDP).
    
    See Also:
    
    SOCKET_RCVBUF_LENGTH_PROP_NAME
  - mtuLength
```
public static int mtuLength()
```
    Length of the maximum transmission unit of the media driver's protocol. If this is greater than the network MTU for UDP then the packet will be fragmented and can amplify the impact of loss.
    
    Returns:
    
    length of the maximum transmission unit of the media driver's protocol.
    
    See Also:
    
    MTU_LENGTH_PROP_NAME
  - ipcMtuLength
```
public static int ipcMtuLength()
```
    Length of the maximum transmission unit of the media driver's protocol for IPC. This can be larger than the UDP version but if recorded replay needs to be considered.
    
    Returns:
    
    length of the maximum transmission unit of the media driver's protocol for IPC.
    
    See Also:
    
    IPC_MTU_LENGTH_PROP_NAME
  - socketMulticastTtl
```
public static int socketMulticastTtl()
```
    IP_MULTICAST_TTL setting on UDP sockets.
    
    Returns:
    
    IP_MULTICAST_TTL setting on UDP sockets.
    
    See Also:
    
    SOCKET_MULTICAST_TTL_PROP_NAME
  - filePageSize
```
public static int filePageSize()
```
    Page size in bytes to align all files to. The file system must support the requested size.
    
    Returns:
    
    page size in bytes to align all files to.
    
    See Also:
    
    FILE_PAGE_SIZE_PROP_NAME
  - publicationReservedSessionIdLow
```
public static int publicationReservedSessionIdLow()
```
    Low-end of the publication reserved session-id range which will not be automatically assigned.
    
    Returns:
    
    low-end of the publication reserved session-id range which will not be automatically assigned.
    
    See Also:
    
    PUBLICATION_RESERVED_SESSION_ID_LOW_PROP_NAME
  - publicationReservedSessionIdHigh
```
public static int publicationReservedSessionIdHigh()
```
    High-end of the publication reserved session-id range which will not be automatically assigned.
    
    Returns:
    
    high-end of the publication reserved session-id range which will not be automatically assigned.
    
    See Also:
    
    PUBLICATION_RESERVED_SESSION_ID_HIGH_PROP_NAME
  - statusMessageTimeoutNs
```
public static long statusMessageTimeoutNs()
```
    Status message timeout in nanoseconds after which one will be sent when data flow has not triggered one.
    
    Returns:
    
    status message timeout in nanoseconds after which one will be sent.
    
    See Also:
    
    STATUS_MESSAGE_TIMEOUT_PROP_NAME
  - sendToStatusMessagePollRatio
```
public static int sendToStatusMessagePollRatio()
```
    Ratio of sending data to polling status messages in the Sender.
    
    Returns:
    
    ratio of sending data to polling status messages in the Sender.
    
    See Also:
    
    SEND_TO_STATUS_POLL_RATIO_PROP_NAME
  - counterFreeToReuseTimeoutNs
```
public static long counterFreeToReuseTimeoutNs()
```
    Timeout between a counter being freed and being available to be reused.
    
    Returns:
    
    timeout between a counter being freed and being available to be reused.
    
    See Also:
    
    COUNTER_FREE_TO_REUSE_TIMEOUT_PROP_NAME
  - clientLivenessTimeoutNs
```
public static long clientLivenessTimeoutNs()
```
    Aeron client liveness timeout after which it is considered not alive.
    
    Returns:
    
    Aeron client liveness timeout after which it is considered not alive.
    
    See Also:
    
    CLIENT_LIVENESS_TIMEOUT_PROP_NAME
  - imageLivenessTimeoutNs
```
public static long imageLivenessTimeoutNs()
```
    Image liveness timeout for how long it stays active without heartbeats or lingers around after being drained.
    
    Returns:
    
    Image liveness timeout for how long it stays active without heartbeats or lingers around after being drained.
    
    See Also:
    
    IMAGE_LIVENESS_TIMEOUT_PROP_NAME
  - publicationUnblockTimeoutNs
```
public static long publicationUnblockTimeoutNs()
```
    Publication unblock timeout due to client crash or untimely commit.
    A publication can become blocked if the client crashes while publishing or if Publication.tryClaim(int, BufferClaim) is used without following up by calling BufferClaim.commit() or BufferClaim.abort().
    
    Returns:
    
    Publication unblock timeout due to client crash or untimely commit.
    
    See Also:
    
    PUBLICATION_UNBLOCK_TIMEOUT_PROP_NAME
  - publicationConnectionTimeoutNs
```
public static long publicationConnectionTimeoutNs()
```
    Publication timeout due to lack of status messages which indicate a connection.
    
    Returns:
    
    Publication timeout due to lack of status messages which indicate a connection.
    
    See Also:
    
    PUBLICATION_CONNECTION_TIMEOUT_PROP_NAME
  - publicationLingerTimeoutNs
```
public static long publicationLingerTimeoutNs()
```
    Linger timeout after draining on Publications so they can respond to NAKs.
    
    Returns:
    
    linger timeout after draining on Publications so they can respond to NAKs.
    
    See Also:
    
    PUBLICATION_LINGER_PROP_NAME
  - retransmitUnicastDelayNs
```
public static long retransmitUnicastDelayNs()
```
    Setting how long to delay before sending a retransmit after receiving a NAK.
    
    Returns:
    
    setting how long to delay before sending a retransmit after receiving a NAK.
    
    See Also:
    
    RETRANSMIT_UNICAST_DELAY_PROP_NAME
  - retransmitUnicastLingerNs
```
public static long retransmitUnicastLingerNs()
```
    Setting how long to linger after delay on a NAK before responding to another NAK.
    
    Returns:
    
    setting how long to linger after delay on a NAK before responding to another NAK.
    
    See Also:
    
    RETRANSMIT_UNICAST_LINGER_PROP_NAME
  - lossReportBufferLength
```
public static int lossReportBufferLength()
```
    Length of the memory mapped buffer for the LossReport.
    
    Returns:
    
    length of the memory mapped buffer for the LossReport.
    
    See Also:
    
    LOSS_REPORT_BUFFER_LENGTH_PROP_NAME
  - threadingMode
```
public static ThreadingMode threadingMode()
```
    ThreadingMode to be used by the Aeron MediaDriver. This allows for CPU resource to be traded against throughput and latency.
    
    Returns:
    
    ThreadingMode to be used by the Aeron MediaDriver.
    
    See Also:
    
    THREADING_MODE_PROP_NAME
  - conductorCycleThresholdNs
```
public static long conductorCycleThresholdNs()
```
    Get threshold value for the conductor work cycle threshold to track for being exceeded.
    
    Returns:
    
    threshold value in nanoseconds.
  - agentIdleStrategy
```
public static IdleStrategy agentIdleStrategy(String strategyName,
                                             StatusIndicator controllableStatus)
```
    Get the IdleStrategy that should be applied to Agents.
    
    Parameters:
    
    strategyName - of the class to be created.
    
    controllableStatus - status indicator for what the strategy should do.
    
    Returns:
    
    the newly created IdleStrategy.
  - senderIdleStrategy
```
public static IdleStrategy senderIdleStrategy(StatusIndicator controllableStatus)
```
    IdleStrategy to be employed by Sender for ThreadingMode.DEDICATED.
    
    Parameters:
    
    controllableStatus - to allow control of ControllableIdleStrategy, which can be null if not used.
    
    Returns:
    
    IdleStrategy to be employed by Sender for ThreadingMode.DEDICATED.
    
    See Also:
    
    SENDER_IDLE_STRATEGY_PROP_NAME
  - receiverIdleStrategy
```
public static IdleStrategy receiverIdleStrategy(StatusIndicator controllableStatus)
```
    IdleStrategy to be employed by Receiver for ThreadingMode.DEDICATED.
    
    Parameters:
    
    controllableStatus - to allow control of ControllableIdleStrategy, which can be null if not used.
    
    Returns:
    
    IdleStrategy to be employed by Receiver for ThreadingMode.DEDICATED.
    
    See Also:
    
    RECEIVER_IDLE_STRATEGY_PROP_NAME
  - conductorIdleStrategy
```
public static IdleStrategy conductorIdleStrategy(StatusIndicator controllableStatus)
```
    IdleStrategy to be employed by DriverConductor for ThreadingMode.DEDICATED and ThreadingMode.SHARED_NETWORK.
    
    Parameters:
    
    controllableStatus - to allow control of ControllableIdleStrategy, which can be null if not used.
    
    Returns:
    
    IdleStrategy to be employed by DriverConductor for ThreadingMode.DEDICATED and ThreadingMode.SHARED_NETWORK..
    
    See Also:
    
    CONDUCTOR_IDLE_STRATEGY_PROP_NAME
  - sharedNetworkIdleStrategy
```
public static IdleStrategy sharedNetworkIdleStrategy(StatusIndicator controllableStatus)
```
    IdleStrategy to be employed by Sender and Receiver for ThreadingMode.SHARED_NETWORK.
    
    Parameters:
    
    controllableStatus - to allow control of ControllableIdleStrategy, which can be null if not used.
    
    Returns:
    
    IdleStrategy to be employed by Sender and Receiver for ThreadingMode.SHARED_NETWORK.
    
    See Also:
    
    SHARED_NETWORK_IDLE_STRATEGY_PROP_NAME
  - sharedIdleStrategy
```
public static IdleStrategy sharedIdleStrategy(StatusIndicator controllableStatus)
```
    IdleStrategy to be employed by Sender, Receiver, and DriverConductor for ThreadingMode.SHARED.
    
    Parameters:
    
    controllableStatus - to allow control of ControllableIdleStrategy, which can be null if not used.
    
    Returns:
    
    IdleStrategy to be employed by Sender, Receiver, and DriverConductor for ThreadingMode.SHARED.
    
    See Also:
    
    SHARED_IDLE_STRATEGY_PROP_NAME
  - applicationSpecificFeedback
```
@Deprecated
public static byte[] applicationSpecificFeedback()
```
    Deprecated. see groupTag().
    
    Returns:
    
    Application Specific Feedback added to Status Messages by the driver for flow control.
    
    See Also:
    
    SM_APPLICATION_SPECIFIC_FEEDBACK_PROP_NAME
  - sendChannelEndpointSupplier
```
public static SendChannelEndpointSupplier sendChannelEndpointSupplier()
```
    Get the supplier of SendChannelEndpoints which can be used for debugging, monitoring, or modifying the behaviour when sending to the channel.
    
    Returns:
    
    the SendChannelEndpointSupplier.
  - receiveChannelEndpointSupplier
```
public static ReceiveChannelEndpointSupplier receiveChannelEndpointSupplier()
```
    Get the supplier of ReceiveChannelEndpoints which can be used for debugging, monitoring, or modifying the behaviour when receiving from the channel.
    
    Returns:
    
    the SendChannelEndpointSupplier.
  - unicastFlowControlSupplier
```
public static FlowControlSupplier unicastFlowControlSupplier()
```
    Get the supplier of FlowControls which can be used for changing behavior of flow control for unicast publications.
    
    Returns:
    
    the FlowControlSupplier.
  - multicastFlowControlSupplier
```
public static FlowControlSupplier multicastFlowControlSupplier()
```
    Get the supplier of FlowControls which can be used for changing behavior of flow control for multicast publications.
    
    Returns:
    
    the FlowControlSupplier.
  - congestionControlSupplier
```
public static CongestionControlSupplier congestionControlSupplier()
```
    Get the supplier of CongestionControl implementations which can be used for receivers.
    
    Returns:
    
    the CongestionControlSupplier
  - validateInitialWindowLength
```
public static void validateInitialWindowLength(int initialWindowLength,
                                               int mtuLength)
```
    Validate that the initial window length is greater than MTU.
    
    Parameters:
    
    initialWindowLength - to be validated.
    
    mtuLength - against which to validate.
  - validateMtuLength
```
public static void validateMtuLength(int mtuLength)
```
    Validate that the MTU is an appropriate length. MTU lengths must be a multiple of FrameDescriptor.FRAME_ALIGNMENT.
    
    Parameters:
    
    mtuLength - to be validated.
    
    Throws:
    
    ConfigurationException - if the MTU length is not valid.
  - terminationValidator
```
public static TerminationValidator terminationValidator()
```
    Get the TerminationValidator implementations which can be used for validating a termination request sent to the driver to ensure the client has the right to terminate a driver.
    
    Returns:
    
    the TerminationValidator
  - validateSocketBufferLengths
```
public static void validateSocketBufferLengths(MediaDriver.Context ctx)
```
    Validate that the socket buffer lengths are sufficient for the media driver configuration.
    
    Parameters:
    
    ctx - to be validated.
  - validatePageSize
```
public static void validatePageSize(int pageSize)
```
    Validate that page size is valid and alignment is valid.
    
    Parameters:
    
    pageSize - to be checked.
    
    Throws:
    
    ConfigurationException - if the size is not as expected.
  - validateSessionIdRange
```
public static void validateSessionIdRange(int low,
                                          int high)
```
    Validate the range of session ids based on a high and low value provided which accounts for the values wrapping.
    
    Parameters:
    
    low - value in the range.
    
    high - value in the range.
    
    Throws:
    
    ConfigurationException - if the values are not valid.
  - countersMetadataBufferLength
```
public static int countersMetadataBufferLength(int counterValuesBufferLength)
```
    Compute the length of the CountersManager metadata buffer based on the length of the counters value buffer length.
    
    Parameters:
    
    counterValuesBufferLength - to compute the metadata buffer length from as a ratio.
    
    Returns:
    
    the length that should be used for the metadata buffer for counters.
  - validateUnblockTimeout
```
public static void validateUnblockTimeout(long publicationUnblockTimeoutNs,
                                          long clientLivenessTimeoutNs,
                                          long timerIntervalNs)
```
    Validate that the timeouts for unblocking publications from a client are valid.
    
    Parameters:
    
    publicationUnblockTimeoutNs - after which an uncommitted publication will be unblocked.
    
    clientLivenessTimeoutNs - after which a client will be considered not alive.
    
    timerIntervalNs - interval at which the driver will check timeouts.
    
    Throws:
    
    ConfigurationException - if the values are not valid.
  - validateUntetheredTimeouts
```
public static void validateUntetheredTimeouts(long untetheredWindowLimitTimeoutNs,
                                              long untetheredRestingTimeoutNs,
                                              long timerIntervalNs)
```
    Validate that the timeouts for untethered subscriptions are greater than timer interval.
    
    Parameters:
    
    untetheredWindowLimitTimeoutNs - after which an untethered subscription will be lingered.
    
    untetheredRestingTimeoutNs - after which an untethered subscription that is lingered can become active.
    
    timerIntervalNs - interval at which the driver will check timeouts.
    
    Throws:
    
    ConfigurationException - if the values are not valid.
  - sourceIdentity
```
public static String sourceIdentity(InetSocketAddress srcAddress)
```
    Create a source identity for a given source address.
    
    Parameters:
    
    srcAddress - to be used for the identity.
    
    Returns:
    
    a source identity string for a given address.

Class Configuration

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

PRINT_CONFIGURATION_ON_START_PROP_NAME

DIR_WARN_IF_EXISTS_PROP_NAME

DIR_DELETE_ON_START_PROP_NAME

DIR_DELETE_ON_SHUTDOWN_PROP_NAME

USE_WINDOWS_HIGH_RES_TIMER_PROP_NAME

TETHER_SUBSCRIPTIONS_PROP_NAME

RELIABLE_STREAM_PROP_NAME

TERM_BUFFER_SPARSE_FILE_PROP_NAME

GROUP_RECEIVER_CONSIDERATION_PROP_NAME

FILE_PAGE_SIZE_PROP_NAME

FILE_PAGE_SIZE_DEFAULT

PERFORM_STORAGE_CHECKS_PROP_NAME

TERM_BUFFER_LENGTH_PROP_NAME

TERM_BUFFER_LENGTH_DEFAULT

IPC_TERM_BUFFER_LENGTH_PROP_NAME

TERM_BUFFER_IPC_LENGTH_DEFAULT

LOW_FILE_STORE_WARNING_THRESHOLD_PROP_NAME

LOW_FILE_STORE_WARNING_THRESHOLD_DEFAULT

CONDUCTOR_BUFFER_LENGTH_PROP_NAME

CONDUCTOR_BUFFER_LENGTH_DEFAULT

TO_CLIENTS_BUFFER_LENGTH_PROP_NAME

TO_CLIENTS_BUFFER_LENGTH_DEFAULT

COUNTERS_VALUES_BUFFER_LENGTH_PROP_NAME

COUNTERS_VALUES_BUFFER_LENGTH_DEFAULT

ERROR_BUFFER_LENGTH_PROP_NAME

ERROR_BUFFER_LENGTH_DEFAULT

LOSS_REPORT_BUFFER_LENGTH_PROP_NAME

LOSS_REPORT_BUFFER_LENGTH_DEFAULT

INITIAL_WINDOW_LENGTH_PROP_NAME

INITIAL_WINDOW_LENGTH_DEFAULT

STATUS_MESSAGE_TIMEOUT_PROP_NAME

STATUS_MESSAGE_TIMEOUT_DEFAULT_NS

SEND_TO_STATUS_POLL_RATIO_PROP_NAME

SEND_TO_STATUS_POLL_RATIO_DEFAULT

SOCKET_RCVBUF_LENGTH_PROP_NAME

SOCKET_RCVBUF_LENGTH_DEFAULT

SOCKET_SNDBUF_LENGTH_PROP_NAME

SOCKET_SNDBUF_LENGTH_DEFAULT

SOCKET_MULTICAST_TTL_PROP_NAME

SOCKET_MULTICAST_TTL_DEFAULT

PUBLICATION_LINGER_PROP_NAME

PUBLICATION_LINGER_DEFAULT_NS

CLIENT_LIVENESS_TIMEOUT_PROP_NAME

CLIENT_LIVENESS_TIMEOUT_DEFAULT_NS

IMAGE_LIVENESS_TIMEOUT_PROP_NAME

IMAGE_LIVENESS_TIMEOUT_DEFAULT_NS

PUBLICATION_TERM_WINDOW_LENGTH_PROP_NAME

IPC_PUBLICATION_TERM_WINDOW_LENGTH_PROP_NAME

PUBLICATION_UNBLOCK_TIMEOUT_PROP_NAME

PUBLICATION_UNBLOCK_TIMEOUT_DEFAULT_NS

PUBLICATION_CONNECTION_TIMEOUT_PROP_NAME

PUBLICATION_CONNECTION_TIMEOUT_DEFAULT_NS

SPIES_SIMULATE_CONNECTION_PROP_NAME

IDLE_MAX_SPINS

IDLE_MAX_YIELDS

IDLE_MIN_PARK_NS

IDLE_MAX_PARK_NS

CONTROLLABLE_IDLE_STRATEGY

SENDER_IDLE_STRATEGY_PROP_NAME

RECEIVER_IDLE_STRATEGY_PROP_NAME

CONDUCTOR_IDLE_STRATEGY_PROP_NAME

SHARED_NETWORK_IDLE_STRATEGY_PROP_NAME

SHARED_IDLE_STRATEGY_PROP_NAME

UNICAST_FLOW_CONTROL_STRATEGY_PROP_NAME

UNICAST_FLOW_CONTROL_STRATEGY

MULTICAST_FLOW_CONTROL_STRATEGY_PROP_NAME

MULTICAST_FLOW_CONTROL_STRATEGY

UNICAST_FLOW_CONTROL_STRATEGY_SUPPLIER_PROP_NAME

MULTICAST_FLOW_CONTROL_STRATEGY_SUPPLIER_PROP_NAME

MAX_UDP_PAYLOAD_LENGTH

MTU_LENGTH_PROP_NAME

MTU_LENGTH_DEFAULT

IPC_MTU_LENGTH_PROP_NAME

THREADING_MODE_PROP_NAME