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# XML Entity Cache: Monitoring: Historical

Column Display Related Tasks Related Topics

This page lists historical information (since the cache was created) about this XML entity cache for all of the currently running servers that make use of it.

For each XML entity cache, you can monitor a set of statistics that describes how the cache is being used and its effectiveness. These statistics describe:

- The current state of the cache, such as how much memory and disk space is currently being used, the current number of entries in the cache, and so on.
- The cumulative activity for the current session, typically since the server started, such as the total number of entries that have lived in the cache, the total number of memory and disk page purges, and so on.
- The cumulative activity since the cache was created. The type of data is the same as the cumulative activity for a session, although the numbers reflect historical data since the cache was created.

#### Column Display

You can show fewer or additional data points on this page by expanding Customize this table and modifying the Column Display list. Each data point displays in its own table column.

The following table lists all of the data points that you can display in columns on this page.

Name | Description
--- | ---
Name | The name of the XML Entity Cache.
Server Name | The name of the server this is running on.
Total Number Memory Purges | Provides the cumulative number of entries that have been purged from the entity cache. MBean Attribute: `EntityCacheCumulativeRuntimeMBean.TotalNumberMemoryPurges`
Total Items Memory Purged | Provides the cumulative number of items that have been purged from the entity cache. MBean Attribute: `EntityCacheCumulativeRuntimeMBean.TotalItemsMemoryPurged`
Average Entry Size Memory Purged | Provides the average size of the all the entries that have been purged from the memory. MBean Attribute: `EntityCacheCumulativeRuntimeMBean.AvgEntrySizeMemoryPurged`
Most Recent Memory Purge | Provides the date of the most recent purge of the entity cache. MBean Attribute: `EntityCacheCumulativeRuntimeMBean.MostRecentMemoryPurge`
Memory Purges Per Hour | Provides the cumulative average number of entries that have been purged from the entity cache. MBean Attribute: `EntityCacheCumulativeRuntimeMBean.MemoryPurgesPerHour`
Total Number Disk Purges | Provides a count of the total number of entries that have been purged from the disk cache. MBean Attribute: `EntityCacheCumulativeRuntimeMBean.TotalNumberDiskPurges`
Total Items Disk Purged | Provides the total number of items that have been purged from the disk cache. MBean Attribute: `EntityCacheCumulativeRuntimeMBean.TotalItemsDiskPurged`
Average Entry Size Disk Purged | Provides the cumulative average size of entries that have been purged from the disk cache. MBean Attribute: `EntityCacheCumulativeRuntimeMBean.AvgEntrySizeDiskPurged`
Most Recent Disk Purge | Provides the date of the most recent purge from the disk cache. MBean Attribute: `EntityCacheCumulativeRuntimeMBean.MostRecentDiskPurge`
Disk Purges Per Hour | Provides cumulative average number of purges from the disk cache per hour. MBean Attribute: `EntityCacheCumulativeRuntimeMBean.DiskPurgesPerHour`
Total Number Of Rejections | Provides the cumulative total number of rejections of entries from the entity cache for the current session. MBean Attribute: `EntityCacheCumulativeRuntimeMBean.TotalNumberOfRejections`
Total Size Of Rejections | Provides the cumulative total size of the rejections from the entity cache. MBean Attribute: `EntityCacheCumulativeRuntimeMBean.TotalSizeOfRejections`
Percent Rejected | Provides the cumulative percent of the potential entries to the entity cache that have been rejected. MBean Attribute: `EntityCacheCumulativeRuntimeMBean.PercentRejected`
Total Number Of Renewals | Provides a count of the cumulative number of entries that have been refreshed in the entity cache. MBean Attribute: `EntityCacheCumulativeRuntimeMBean.TotalNumberOfRenewals`
Total Current Entries | Provides a count of the total current number of entries in the entity cache. Returns the total current number of entries in the entity cache. MBean Attribute: `EntityCacheRuntimeMBean.TotalCurrentEntries`
Total Persistent Current Entries | Provides a count of the total current number of entries in the cache that have been persisted to disk. Returns the total current number of entries in the cache that have been persisted to disk. MBean Attribute: `EntityCacheRuntimeMBean.TotalPersistentCurrentEntries`
Total Transient Current Entries | Provides a count of the total current number of transient (not yet persisted to disk) entries in the entity cache. Returns the total current number of transient entries in the entity cache. MBean Attribute: `EntityCacheRuntimeMBean.TotalTransientCurrentEntries`
Average Percent Transient | Provides the current average percentage of entries in the entity cache that are transient, or have not been persisted. Returns current average percentage of entries in the entity cache that are transient, or have not been persisted. MBean Attribute: `EntityCacheRuntimeMBean.AvgPercentTransient`
Average Percent Persistent | Provides the current average percentage of entries in the entity cache that have been persisted to the disk cache. Returns current average percentage of entries in the entity cache that have been persisted to the disk cache. MBean Attribute: `EntityCacheRuntimeMBean.AvgPercentPersistent`
Average Timeout | Provides the average amount of time that the entity cache has timed out when trying to retrieve an entity. Returns the average amount of time that the entity cache has timed out when trying to retrieve an entity. MBean Attribute: `EntityCacheRuntimeMBean.AvgTimeout`

Related Tasks

- Create an XML Entity Cache
- Configure an existing XML entity Cache
- Monitor the XML entity cache
- Delete an XML entity cache
- Configure XML Resources

Related Topics

- Programming WebLogic XML