Sun Microsystems 820433510 manual Thread Pools Statistics, Transaction Service Statistics

About Monitoring

TABLE 18–13Connection Manager (in an ORB) Statistics			(Continued)
Statistic	Units	Data Type		Description
totalconnections	Number	BoundedRangeStatistic		Total number of connections to the
				ORB.

Thread Pools Statistics

The statistics available for the thread pool are shown in the following table.

TABLE 18–14Thread Pool Statistics

Statistic	Units	Data Type	Description
averagetimeinqueue	Milliseconds	RangeStatistic	The average amount of time in
			milliseconds a request waited in
			the queue before getting processed.
averageworkcompletion-time	Milliseconds	RangeStatistic	The average amount of time taken
			to complete an assignment, in
			milliseconds.
currentnumberofthreads	Number	BoundedRangeStatistic	Current number of request
			processing threads.
numberofavailablethreads	Number	CountStatistic	The number of threads that are
			available.
numberofbusythreads	Number	CountStatistic	The number of threads that are
			busy.
totalworkitemsadded	Number	CountStatistic	The total number of work items
			added so far to the work queue.

Transaction Service Statistics

The transaction service allows the client to freeze the transaction subsystem in order to roll back transactions and determine the transactions that are in process at the time of the freeze. The statistics available for the transaction service are shown in the following table.

TABLE 18–15Transaction Service Statistics

Statistic	Data Type	Description
activecount	CountStatistic	Number of transactions currently active.
activeids	StringStatistic	The ID’s of the transactions that are
		currently active. Every such transaction
		can be rolled back after freezing the
		transaction service.

186 Sun GlassFish Enterprise Server 2.1 Administration Guide • December 2008