number of free connections decreased event
glassfish:jdbc:connection-pool:decrementNumConnFreeEvent( java.lang.String poolName, java.lang.String applicationName, java.lang.String moduleName)
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.
The name of the JDBC connection pool that contains the destroyed or retrieved connection.
The name of the application in which the connection pool is defined. This parameter is applicable only for application-scoped resources.
The name of the application module in which the connection pool is defined. This parameter is applicable only for application-scoped resources.