Network Statistics (Sun GlassFish Enterprise Server v3 Administration Guide)

Sun GlassFish Enterprise Server v3 Administration Guide

Network fits into the tree of objects as shown in Network Tree Hierarchy.

Network statistics are described in the following sections:

Use the following dotted name pattern for network keep alive statistics:

server.network.type-of-listener.keep-alive.statistic

Statistics available for network keep alive are shown in the following table.

Table 8–24 Network Keep Alive Statistics


Statistic	Data Type	Description
`countconnections`	CountStatistic	Number of connections in keep-alive mode.
`counttimeouts`	CountStatistic	Number of keep-alive connections that timed out.
`secondstimeouts`	CountStatistic	Keep-alive timeout value in seconds.
`maxrequests`	CountStatistic	Maximum number of requests allowed on a single keep-alive connection.
`countflushes`	CountStatistic	Number of keep-alive connections that were closed.
`counthits`	CountStatistic	Number of requests received by connections in keep-alive mode.
`countrefusals`	CountStatistic	Number of keep-alive connections that were rejected.

Use the following dotted name pattern for network connection queue statistics:

server.network.type-of-listener.connection-queue.statistic

Statistics available for network connection queue are shown in the following table.

Table 8–25 Network Connection Queue Statistics


Statistic	Data Type	Description
`countopenconnections`	CountStatistic	The number of open/active connections
`countoverflows`	CountStatistic	Number of times the queue has been too full to accommodate a connection
`countqueued`	CountStatistic	Number of connections currently in the queue
`countqueued15minutesaverage`	CountStatistic	Average number of connections queued in the last 15 minutes
`countqueued1minuteaverage`	CountStatistic	Average number of connections queued in the last 1 minute
`countqueued5minutesaverage`	CountStatistic	Average number of connections queued in the last 5 minutes
`counttotalconnections`	CountStatistic	Total number of connections that have been accepted
`counttotalqueued`	CountStatistic	Total number of connections that have been queued
`maxqueued`	CountStatistic	Maximum size of the connection queue
`peakqueued`	CountStatistic	Largest number of connections that were in the queue simultaneously
`tickstotalqueued`	CountStatistic	(Unsupported) Total number of ticks that connections have spent in the queue

Use the following dotted name pattern for network file cache statistics:

server.network.type-of-listener.file-cache.statistic

Statistics available for network file cache are shown in the following table.

Table 8–26 Network File Cache Statistics


Statistic	Data Type	Description
`contenthits`	CountStatistic	Number of hits on cached file content
`contentmisses`	CountStatistic	Number of misses on cached file content
`heapsize`	CountStatistic	Current cache size in bytes
`hits`	CountStatistic	Number of cache lookup hits
`infohits`	CountStatistic	Number of hits on cached file info
`infomisses`	CountStatistic	Number of misses on cached file info
`mappedmemorysize`	CountStatistic	Size of mapped memory used for caching in bytes
`maxheapsize`	CountStatistic	Maximum heap space used for cache in bytes
`maxmappedmemorysize`	CountStatistic	Maximum memory map size used for caching in bytes
`misses`	CountStatistic	Number of cache lookup misses data type
`opencacheentries`	CountStatistic	Number of current open cache entries

Use the following dotted name pattern for network thread pool statistics:

server.network.type-of-listener.thread-pool.statistic

Statistics available for network thread pool are shown in the following table.

Table 8–27 Network Thread Pool Statistics


Statistic	Data Type	Description
`corethreads`	CountStatistic	Core number of threads in the thread pool
`currentthreadcount`	CountStatistic	Provides the number of request processing threads currently in the listener thread pool
`currentthreadsbusy`	CountStatistic	Provides the number of request processing threads currently in use in the listener thread pool serving requests
`maxthreads`	CountStatistic	Maximum number of threads allowed in the thread pool
`totalexecutedtasks`	CountStatistic	Provides the total number of tasks, which were executed by the thread pool