367/461

## glassfish:jdbc:connection-pool:decrementNumConnFreeEvent

number of free connections decreased event

Synopsis

    glassfish:jdbc:connection-pool:decrementNumConnFreeEvent(
    java.lang.String poolName,
    java.lang.String applicationName,
    java.lang.String moduleName)

Description

This event is sent whenever a free connection from the JDBC connection pool is destroyed or when a connection is retrieved from the pool.

Use this event to count the total number of free connections in the pool as of the last sampling.

Parameters

`poolName`

  The name of the JDBC connection pool that contains the destroyed or retrieved connection.

`applicationName`

  The name of the application in which the connection pool is defined. This parameter is applicable only for application-scoped resources.

`moduleName`

  The name of the application module in which the connection pool is defined. This parameter is applicable only for application-scoped resources.