Package org.glassfish.jdbc.pool.monitor

Class JdbcConnPoolStatsProvider

  • @AMXMetadata(type="jdbc-connection-pool-mon",
             group="monitoring")
@ManagedObject
@Description("JDBC Statistics")
public class JdbcConnPoolStatsProvider
extends Object
    StatsProvider object for Jdbc pool monitoring. Implements various events related to jdbc pool monitoring and provides objects to the calling modules that retrieve monitoring information.
    Author:
    Shalini M

    • Constructor Detail

      • JdbcConnPoolStatsProvider

        public JdbcConnPoolStatsProvider​(PoolInfo poolInfo,
                                 Logger logger)

    • Method Detail

      • potentialConnLeakEvent

        public void potentialConnLeakEvent​(String poolName,
                                   String appName,
                                   String moduleName)
        Whenever connection leak happens, increment numPotentialConnLeak
        Parameters:
        pool - JdbcConnectionPool that got a connLeakEvent

      • connectionTimedOutEvent

        public void connectionTimedOutEvent​(String poolName,
                                    String appName,
                                    String moduleName)
        Whenever connection timed-out event occurs, increment numConnTimedOut
        Parameters:
        pool - JdbcConnectionPool that got a connTimedOutEvent

      • decrementNumConnFreeEvent

        public void decrementNumConnFreeEvent​(String poolName,
                                      String appName,
                                      String moduleName)
        Decrement numconnfree event
        Parameters:
        poolName -
        steadyPoolSize -

      • incrementNumConnFreeEvent

        public void incrementNumConnFreeEvent​(String poolName,
                                      String appName,
                                      String moduleName,
                                      boolean beingDestroyed,
                                      int steadyPoolSize)
        Increment numconnfree event
        Parameters:
        poolName -
        steadyPoolSize -

      • decrementConnectionUsedEvent

        public void decrementConnectionUsedEvent​(String poolName,
                                         String appName,
                                         String moduleName)
        Decrement numConnUsed event
        Parameters:
        poolName -
        beingDestroyed - if the connection is destroyed due to error
        steadyPoolSize -

      • connectionsFreedEvent

        public void connectionsFreedEvent​(String poolName,
                                  String appName,
                                  String moduleName,
                                  int count)
        Connections freed event
        Parameters:
        poolName -
        count - number of connections freed to the pool

      • connectionUsedEvent

        public void connectionUsedEvent​(String poolName,
                                String appName,
                                String moduleName)
        Connection used event
        Parameters:
        poolName -

      • connectionValidationFailedEvent

        public void connectionValidationFailedEvent​(String poolName,
                                            String appName,
                                            String moduleName,
                                            int increment)
        Whenever connection leak happens, increment numConnFailedValidation
        Parameters:
        pool - JdbcConnectionPool that got a failed validation event

      • connectionRequestServedEvent

        public void connectionRequestServedEvent​(String poolName,
                                         String appName,
                                         String moduleName,
                                         long timeTakenInMillis)
        Event that a connection request is served in timeTakenInMillis.
        Parameters:
        poolName -
        timeTakenInMillis -

      • connectionDestroyedEvent

        public void connectionDestroyedEvent​(String poolName,
                                     String appName,
                                     String moduleName)
        When connection destroyed event is got increment numConnDestroyed.

      • connectionAcquiredEvent

        public void connectionAcquiredEvent​(String poolName,
                                    String appName,
                                    String moduleName)
        When a connection is acquired increment counter

      • connectionReleasedEvent

        public void connectionReleasedEvent​(String poolName,
                                    String appName,
                                    String moduleName)
        When a connection is released increment counter

      • connectionCreatedEvent

        public void connectionCreatedEvent​(String poolName,
                                   String appName,
                                   String moduleName)
        When a connection is created increment counter

      • reset

        public void reset()
        Reset pool statistics. When annotated with @Reset, this method is invoked whenever monitoring is turned to HIGH from OFF, thereby setting the statistics to appropriate values.

      • connectionMatchedEvent

        public void connectionMatchedEvent​(String poolName,
                                   String appName,
                                   String moduleName)
        When connection under test matches the current request , increment numConnSuccessfullyMatched.

      • connectionNotMatchedEvent

        public void connectionNotMatchedEvent​(String poolName,
                                      String appName,
                                      String moduleName)
        When a connection under test does not match the current request, increment numConnNotSuccessfullyMatched.

      • connectionRequestQueuedEvent

        public void connectionRequestQueuedEvent​(String poolName,
                                         String appName,
                                         String moduleName)
        When an object is added to wait queue, increment the waitQueueLength.

      • connectionRequestDequeuedEvent

        public void connectionRequestDequeuedEvent​(String poolName,
                                           String appName,
                                           String moduleName)
        When an object is removed from the wait queue, decrement the waitQueueLength.

      • getPoolInfo

        public PoolInfo getPoolInfo()

      • getNumPotentialConnLeakCount

        @ManagedAttribute(id="numpotentialconnleak")
public org.glassfish.external.statistics.CountStatistic getNumPotentialConnLeakCount()
        When a connection leak is observed, the monitoring statistics are displayed to the server.log. This method helps in segregating the statistics based on LOW/HIGH monitoring levels and displaying them.
        Parameters:
        poolName -
        stackTrace -

      • getNumConnFailedValidation

        @ManagedAttribute(id="numconnfailedvalidation")
public org.glassfish.external.statistics.CountStatistic getNumConnFailedValidation()

      • getNumConnTimedOut

        @ManagedAttribute(id="numconntimedout")
public org.glassfish.external.statistics.CountStatistic getNumConnTimedOut()

      • getNumConnUsed

        @ManagedAttribute(id="numconnused")
public org.glassfish.external.statistics.RangeStatistic getNumConnUsed()

      • getNumConnFree

        @ManagedAttribute(id="numconnfree")
public org.glassfish.external.statistics.RangeStatistic getNumConnFree()

      • getConnRequestWaitTime

        @ManagedAttribute(id="connrequestwaittime")
public org.glassfish.external.statistics.RangeStatistic getConnRequestWaitTime()

      • getNumConnDestroyed

        @ManagedAttribute(id="numconndestroyed")
public org.glassfish.external.statistics.CountStatistic getNumConnDestroyed()

      • getNumConnAcquired

        @ManagedAttribute(id="numconnacquired")
public org.glassfish.external.statistics.CountStatistic getNumConnAcquired()

      • getNumConnCreated

        @ManagedAttribute(id="numconncreated")
public org.glassfish.external.statistics.CountStatistic getNumConnCreated()

      • getNumConnReleased

        @ManagedAttribute(id="numconnreleased")
public org.glassfish.external.statistics.CountStatistic getNumConnReleased()

      • getNumConnSuccessfullyMatched

        @ManagedAttribute(id="numconnsuccessfullymatched")
public org.glassfish.external.statistics.CountStatistic getNumConnSuccessfullyMatched()

      • getNumConnNotSuccessfullyMatched

        @ManagedAttribute(id="numconnnotsuccessfullymatched")
public org.glassfish.external.statistics.CountStatistic getNumConnNotSuccessfullyMatched()

      • getAverageConnWaitTime

        @ManagedAttribute(id="averageconnwaittime")
public org.glassfish.external.statistics.CountStatistic getAverageConnWaitTime()

      • getWaitQueueLength

        @ManagedAttribute(id="waitqueuelength")
public org.glassfish.external.statistics.CountStatistic getWaitQueueLength()