Package org.apache.accumulo.core.trace

Class DistributedTrace

java.lang.Object

org.apache.accumulo.core.trace.DistributedTrace

public class DistributedTrace
extends Object

Utility class to enable tracing for Accumulo server processes.

Field Summary

Fields

Modifier and Type	Field	Description
static String	TRACE_HOST_PROPERTY
static String	TRACE_SERVICE_PROPERTY
static String	TRACER_ZK_HOST
static String	TRACER_ZK_PATH
static String	TRACER_ZK_TIMEOUT

Constructor Summary

Constructors

Constructor	Description
DistributedTrace()

Method Summary

Modifier and Type	Method	Description
static void	disable()	Disable tracing by closing SpanReceivers for the current process.
static void	enable()	Enable tracing by setting up SpanReceivers for the current process.
static void	enable(String service)	Enable tracing by setting up SpanReceivers for the current process.
static void	enable(String hostname, String service)	Enable tracing by setting up SpanReceivers for the current process.
static void	enable(String hostname, String service, ClientConfiguration conf)	Enable tracing by setting up SpanReceivers for the current process.
static void	enable(String hostname, String service, AccumuloConfiguration conf)	Enable tracing by setting up SpanReceivers for the current process.
static void	enable(Instance instance, ZooReader zoo, String application, String address)	Deprecated. since 1.7, use enable(String, String, org.apache.accumulo.core.client.ClientConfiguration) instead

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

TRACE_HOST_PROPERTY

public static final String TRACE_HOST_PROPERTY

See Also:

Constant Field Values

TRACE_SERVICE_PROPERTY

public static final String TRACE_SERVICE_PROPERTY

See Also:

Constant Field Values

TRACER_ZK_HOST

public static final String TRACER_ZK_HOST

See Also:

Constant Field Values

TRACER_ZK_TIMEOUT

public static final String TRACER_ZK_TIMEOUT

See Also:

Constant Field Values

TRACER_ZK_PATH

public static final String TRACER_ZK_PATH

See Also:

Constant Field Values

Constructor Detail

DistributedTrace

public DistributedTrace()

Method Detail

enable

@Deprecated
public static void enable(Instance instance,
                          ZooReader zoo,
                          String application,
                          String address)
                   throws IOException,
                          org.apache.zookeeper.KeeperException,
                          InterruptedException

Deprecated.

since 1.7, use enable(String, String, org.apache.accumulo.core.client.ClientConfiguration) instead

Throws:

IOException

org.apache.zookeeper.KeeperException

InterruptedException

enable

public static void enable()

Enable tracing by setting up SpanReceivers for the current process.

enable

public static void enable(String service)

Enable tracing by setting up SpanReceivers for the current process. If service name is null, the simple name of the class will be used.

enable

public static void enable(String hostname,
                          String service)

Enable tracing by setting up SpanReceivers for the current process. If host name is null, it will be determined. If service name is null, the simple name of the class will be used.

enable

public static void enable(String hostname,
                          String service,
                          ClientConfiguration conf)

Enable tracing by setting up SpanReceivers for the current process. If host name is null, it will be determined. If service name is null, the simple name of the class will be used. Properties required in the client configuration include ClientConfiguration.ClientProperty.TRACE_SPAN_RECEIVERS and any properties specific to the span receiver.

enable

public static void enable(String hostname,
                          String service,
                          AccumuloConfiguration conf)

Enable tracing by setting up SpanReceivers for the current process. If host name is null, it will be determined. If service name is null, the simple name of the class will be used.

disable

public static void disable()

Disable tracing by closing SpanReceivers for the current process.