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14.4.5. Datasource Statistics

Core Statistics

The following table contains a list of the supported datasource core statistics:

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Table 14.14. Core Statistics
Name	Description
`ActiveCount`	The number of active connections. Each of the connections is either in use by an application or available in the pool
`AvailableCount`	The number of available connections in the pool.
`AverageBlockingTime`	The average time spent blocking on obtaining an exclusive lock on the pool. The value is in milliseconds.
`AverageCreationTime`	The average time spent creating a connection. The value is in milliseconds.
`CreatedCount`	The number of connections created.
`DestroyedCount`	The number of connections destroyed.
`InUseCount`	The number of connections currently in use.
`MaxCreationTime`	The maximum time it took to create a connection. The value is in milliseconds.
`MaxUsedCount`	The maximum number of connections used.
`MaxWaitCount`	The maximum number of requests waiting for a connection at the same time.
`MaxWaitTime`	The maximum time spent waiting for an exclusive lock on the pool.
`TimedOut`	The number of timed out connections.
`TotalBlockingTime`	The total time spent waiting for an exclusive lock on the pool. The value is in milliseconds.
`TotalCreationTime`	The total time spent creating connections. The value is in milliseconds.
`WaitCount`	The number of requests that had to wait for a connection.

JDBC Statistics

The following table contains a list of the supported datasource JDBC statistics:

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Table 14.15. JDBC Statistics
Name	Description
`PreparedStatementCacheAccessCount`	The number of times that the statement cache was accessed.
`PreparedStatementCacheAddCount`	The number of statements added to the statement cache.
`PreparedStatementCacheCurrentSize`	The number of prepared and callable statements currently cached in the statement cache.
`PreparedStatementCacheDeleteCount`	The number of statements discarded from the cache.
`PreparedStatementCacheHitCount`	The number of times that statements from the cache were used.
`PreparedStatementCacheMissCount`	The number of times that a statement request could not be satisfied with a statement from the cache.

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