Dynamic cache counters

Dynamic cache counters

Use this page as a reference for properties of dynamic cache counters.
You can use the Performance Monitoring Infrastructure (PMI) data for dynamic cache to monitor the behavior and performance of the dynamic cache service. For information on the functions and usages of dynamic cache, refer to Task overview: Using the dynamic cache service to improve performance.
Use the dynamic cache MBean to access the related data and display it under dynamic cache in the Tivoli Performance Viewer (TPV).

Counter definitions

Name Key Description Granularity Type Level Overhead
MaxInMemoryCacheEntryCount cacheModule..maxInMemoryCacheEntryCount The maximum number of in-memory cache entries. Locate it under servlet instance or object instance. Per Server CountStatistic All Low
InMemoryCacheEntryCount cacheModule.inMemoryCacheEntryCount The current number of in-memory cache entries. Locate it under servlet instance and object instance. Per Server CountStatistic All Low
HitsInMemoryCount cacheModule.hitsInMemoryCount The number of requests for cacheable objects that are served from memory. For servlet instance, locate it under template group. For object instance, locate it under object group. Per Server CountStatistic All Low
HitsOnDiskCount cacheModule.hitsOnDiskCount The number of requests for cacheable objects that are served from disk. For servlet instance, locate it under template group. For object instance, locate it under object group. Per Server CountStatistic All Low
ExplicitInvalidationCount cacheModule.explicitInvalidationCount The number of explicit invalidations. For servlet instance, locate it under template group. For object instance, locate it under object group. Per Server CountStatistic All Low
LruInvalidationCount cacheModule.lruInvalidationCount The number of cache entries that are removed from memory by a Least Recently Used (LRU) algorithm. For servlet instance, locate it under template group. For object instance, locate it under object group. Per Server CountStatistic All Low
TimeoutInvalidationCount cacheModule.timeoutInvalidationCount The number of cache entries that are removed from memory and disk because their timeout has expired. For servlet instance, locate it under template group. For object instance, locate it under object group. Per Server CountStatistic All Low
InMemoryAndDiskCacheEntryCount cacheModule.inMemoryAndDiskCacheEntryCount The current number of used cache entries in memory and disk. For servlet instance, locate it under template group. For object instance, locate it under object group. Per Server CountStatistic All Low
RemoteHitCount cacheModule.remoteHitCount The number of requests for cacheable objects that are served from other Java virtual machines within the replication domain. For servlet instance, locate it under template group. For object instance, locate it under object group. Per Server CountStatistic All Low
MissCount cacheModule.missCount The number of requests for cacheable objects that were not found in the cache. For servlet instance, locate it under template group. For object instance, locate it under object group. Per Server CountStatistic All Low
ClientRequestCount cacheModule.clientRequestCount The number of requests for cacheable objects that are generated by applications running on this appserver. For servlet instance, locate it under template group. For object instance, locate it under object group. Per Server CountStatistic All Low
DistributedRequestCount cacheModule.distributedRequestCount The number of requests for cacheable objects that are generated by cooperating caches in this replication domain. For servlet instance, locate it under template group. For object instance, locate it under object group. Per Server CountStatistic All Low
ExplicitMemoryInvalidationCount cacheModule.explicitMemoryInvalidationCount The number of explicit invalidations that result in the removal of an entry from memory. For servlet instance, locate it under template group. For object instance, locate it under object group. Per Server CountStatistic All Low
ExplicitDiskInvalidationCount cacheModule.explicitDiskInvalidationCount The number of explicit invalidations that result in the removal of an entry from disk. For servlet instance, locate it under template group. For object instance, locate it under object group. Per Server CountStatistic All Low
LocalExplicitInvalidationCount cacheModule.localExplicitInvalidationCount The number of explicit invalidations that are generated locally, either programmatically or by a cache policy. For servlet instance, locate it under template group. For object instance, locate it under object group. Per Server CountStatistic All Low
RemoteExplicitInvalidationCount cacheModule.remoteExplicitInvalidationCount The number of explicit invalidations that are received from a cooperating Java virtual machine in this replication domain. For servlet instance, locate it under template group. For object instance, locate it under object group. Per Server CountStatistic All Low
RemoteCreationCount cacheModule.remoteCreationCount The number of cache entries that are received from cooperating dynamic caches. For servlet instance, locate it under template group. For object instance, locate it under object group. Per Server CountStatistic All Low
ObjectsOnDisk cacheModule.objectsOnDisk The current number of cache entries on disk. locate it under disk group. Per Server CountStatistic All Low
HitsOnDisk cacheModule.hitsOnDisk The number of requests for cacheable objects that are served from disk. Locate it under disk group. Per Server CountStatistic All Low
ExplicitInvalidationsFromDisk cacheModule.explicitInvalidationFromDisk The number of explicit invalidations that result in the removal of entries from disk. Locate it under disk group. Per Server CountStatistic All Low
TimeoutInvalidationsFromDisk cacheModule.timeoutInvalidationsFromDisk The number of disk timeouts. Locate it under disk group. Per Server CountStatistic All Low
PendingRemovalFromDisk cacheModule.pendingRemovalFromDisk The current number of pending entries that are to be removed from disk. Locate it under disk group. Per Server CountStatistic All Low
DependencyIDsOnDisk cacheModule.dependencyIdsOnDisk The current number of dependency ID that are on disk. Locate it under disk group. Per Server CountStatistic All Low
DependencyIDsBufferedForDisk cacheModule.dependencyIdsBufferedForDisk The current number of dependency IDs that are buffered for the disk. Locate it under disk group. Per Server CountStatistic All Low
DependencyIDsOffloadedToDisk cacheModule.dependencyIdsOffloadedToDisk The number of dependency IDs that are offloaded to disk. It is located under disk group. Per Server CountStatistic All Low
DependencyIDBasedInvalidationsFromDisk cacheModule.dependencyIdBasedInvalidationsFromDisk The number of dependency ID-based invalidations. Locate it under disk group. Per Server CountStatistic All Low
TemplatesOnDisk cacheModule.templatesOnDisk The current number of templates that are on disk. Locate it under disk group. Per Server CountStatistic All Low
TemplatesBufferedForDisk cacheModule.templatesBufferedForDisk The current number of templates that are buffered for the disk. Locate it under disk group. Per Server CountStatistic All Low
TemplatesOffloadedToDisk cacheModule.templatesOffloadedToDisk The number of templates that are offloaded to disk. Locate it under disk group. Per Server CountStatistic All Low
TemplateBasedInvalidationsFromDisk cacheModule.templateBasedInvalidationsFromDisk The number of template-based invalidations. Locate it under disk group. Per Server CountStatistic All Low
GarbageCollectorInvalidationsFromDisk cacheModule.garbageCollectorInvalidationsFromDisk The number of garbage collector invalidations that result in the removal of entries from disk cache due to high threshold has been reached. Locate it under disk group. Per Server CountStatistic All Low
OverflowInvalidationsFromDisk cacheModule.overflowInvalidationsFromDisk The number of invalidations that result in the removal of entries from disk due to exceeding the disk cache size or disk cache size in GB limit. Locate it under disk group. Per Server CountStatistic All Low

Reference topic

Name	Key	Description	Granularity	Type	Level	Overhead
MaxInMemoryCacheEntryCount	cacheModule..maxInMemoryCacheEntryCount	The maximum number of in-memory cache entries. Locate it under servlet instance or object instance.	Per Server	CountStatistic	All	Low
InMemoryCacheEntryCount	cacheModule.inMemoryCacheEntryCount	The current number of in-memory cache entries. Locate it under servlet instance and object instance.	Per Server	CountStatistic	All	Low
HitsInMemoryCount	cacheModule.hitsInMemoryCount	The number of requests for cacheable objects that are served from memory. For servlet instance, locate it under template group. For object instance, locate it under object group.	Per Server	CountStatistic	All	Low
HitsOnDiskCount	cacheModule.hitsOnDiskCount	The number of requests for cacheable objects that are served from disk. For servlet instance, locate it under template group. For object instance, locate it under object group.	Per Server	CountStatistic	All	Low
ExplicitInvalidationCount	cacheModule.explicitInvalidationCount	The number of explicit invalidations. For servlet instance, locate it under template group. For object instance, locate it under object group.	Per Server	CountStatistic	All	Low
LruInvalidationCount	cacheModule.lruInvalidationCount	The number of cache entries that are removed from memory by a Least Recently Used (LRU) algorithm. For servlet instance, locate it under template group. For object instance, locate it under object group.	Per Server	CountStatistic	All	Low
TimeoutInvalidationCount	cacheModule.timeoutInvalidationCount	The number of cache entries that are removed from memory and disk because their timeout has expired. For servlet instance, locate it under template group. For object instance, locate it under object group.	Per Server	CountStatistic	All	Low
InMemoryAndDiskCacheEntryCount	cacheModule.inMemoryAndDiskCacheEntryCount	The current number of used cache entries in memory and disk. For servlet instance, locate it under template group. For object instance, locate it under object group.	Per Server	CountStatistic	All	Low
RemoteHitCount	cacheModule.remoteHitCount	The number of requests for cacheable objects that are served from other Java virtual machines within the replication domain. For servlet instance, locate it under template group. For object instance, locate it under object group.	Per Server	CountStatistic	All	Low
MissCount	cacheModule.missCount	The number of requests for cacheable objects that were not found in the cache. For servlet instance, locate it under template group. For object instance, locate it under object group.	Per Server	CountStatistic	All	Low
ClientRequestCount	cacheModule.clientRequestCount	The number of requests for cacheable objects that are generated by applications running on this appserver. For servlet instance, locate it under template group. For object instance, locate it under object group.	Per Server	CountStatistic	All	Low
DistributedRequestCount	cacheModule.distributedRequestCount	The number of requests for cacheable objects that are generated by cooperating caches in this replication domain. For servlet instance, locate it under template group. For object instance, locate it under object group.	Per Server	CountStatistic	All	Low
ExplicitMemoryInvalidationCount	cacheModule.explicitMemoryInvalidationCount	The number of explicit invalidations that result in the removal of an entry from memory. For servlet instance, locate it under template group. For object instance, locate it under object group.	Per Server	CountStatistic	All	Low
ExplicitDiskInvalidationCount	cacheModule.explicitDiskInvalidationCount	The number of explicit invalidations that result in the removal of an entry from disk. For servlet instance, locate it under template group. For object instance, locate it under object group.	Per Server	CountStatistic	All	Low
LocalExplicitInvalidationCount	cacheModule.localExplicitInvalidationCount	The number of explicit invalidations that are generated locally, either programmatically or by a cache policy. For servlet instance, locate it under template group. For object instance, locate it under object group.	Per Server	CountStatistic	All	Low
RemoteExplicitInvalidationCount	cacheModule.remoteExplicitInvalidationCount	The number of explicit invalidations that are received from a cooperating Java virtual machine in this replication domain. For servlet instance, locate it under template group. For object instance, locate it under object group.	Per Server	CountStatistic	All	Low
RemoteCreationCount	cacheModule.remoteCreationCount	The number of cache entries that are received from cooperating dynamic caches. For servlet instance, locate it under template group. For object instance, locate it under object group.	Per Server	CountStatistic	All	Low
ObjectsOnDisk	cacheModule.objectsOnDisk	The current number of cache entries on disk. locate it under disk group.	Per Server	CountStatistic	All	Low
HitsOnDisk	cacheModule.hitsOnDisk	The number of requests for cacheable objects that are served from disk. Locate it under disk group.	Per Server	CountStatistic	All	Low
ExplicitInvalidationsFromDisk	cacheModule.explicitInvalidationFromDisk	The number of explicit invalidations that result in the removal of entries from disk. Locate it under disk group.	Per Server	CountStatistic	All	Low
TimeoutInvalidationsFromDisk	cacheModule.timeoutInvalidationsFromDisk	The number of disk timeouts. Locate it under disk group.	Per Server	CountStatistic	All	Low
PendingRemovalFromDisk	cacheModule.pendingRemovalFromDisk	The current number of pending entries that are to be removed from disk. Locate it under disk group.	Per Server	CountStatistic	All	Low
DependencyIDsOnDisk	cacheModule.dependencyIdsOnDisk	The current number of dependency ID that are on disk. Locate it under disk group.	Per Server	CountStatistic	All	Low
DependencyIDsBufferedForDisk	cacheModule.dependencyIdsBufferedForDisk	The current number of dependency IDs that are buffered for the disk. Locate it under disk group.	Per Server	CountStatistic	All	Low
DependencyIDsOffloadedToDisk	cacheModule.dependencyIdsOffloadedToDisk	The number of dependency IDs that are offloaded to disk. It is located under disk group.	Per Server	CountStatistic	All	Low
DependencyIDBasedInvalidationsFromDisk	cacheModule.dependencyIdBasedInvalidationsFromDisk	The number of dependency ID-based invalidations. Locate it under disk group.	Per Server	CountStatistic	All	Low
TemplatesOnDisk	cacheModule.templatesOnDisk	The current number of templates that are on disk. Locate it under disk group.	Per Server	CountStatistic	All	Low
TemplatesBufferedForDisk	cacheModule.templatesBufferedForDisk	The current number of templates that are buffered for the disk. Locate it under disk group.	Per Server	CountStatistic	All	Low
TemplatesOffloadedToDisk	cacheModule.templatesOffloadedToDisk	The number of templates that are offloaded to disk. Locate it under disk group.	Per Server	CountStatistic	All	Low
TemplateBasedInvalidationsFromDisk	cacheModule.templateBasedInvalidationsFromDisk	The number of template-based invalidations. Locate it under disk group.	Per Server	CountStatistic	All	Low
GarbageCollectorInvalidationsFromDisk	cacheModule.garbageCollectorInvalidationsFromDisk	The number of garbage collector invalidations that result in the removal of entries from disk cache due to high threshold has been reached. Locate it under disk group.	Per Server	CountStatistic	All	Low
OverflowInvalidationsFromDisk	cacheModule.overflowInvalidationsFromDisk	The number of invalidations that result in the removal of entries from disk due to exceeding the disk cache size or disk cache size in GB limit. Locate it under disk group.	Per Server	CountStatistic	All	Low