[jboss-jira] [JBoss JIRA] Commented: (JBAS-6877) EJB3 Cache Metrics

[Brian Stansberry (JIRA)]

    [ https://jira.jboss.org/jira/browse/JBAS-6877?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12466141#action_12466141 ] 

Brian Stansberry commented on JBAS-6877:
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Note that the above list of statistics is a bunch of JBoss Cache internals, reflecting an overall JBC instance, and not the region related to a particular entity. Conceivably the JBC instance could be used for stuff other than entity caching.

Point is we need to define what metrics we will expose and where. JBC is an internal implementation detail.

> EJB3 Cache Metrics
> ------------------
>
>                 Key: JBAS-6877
>                 URL: https://jira.jboss.org/jira/browse/JBAS-6877
>             Project: JBoss Application Server
>          Issue Type: Sub-task
>      Security Level: Public(Everyone can see) 
>          Components: EJB3, Management services
>            Reporter: Andrew Lee Rubinger
>            Assignee: Brian Stansberry
>             Fix For: Backlog
>
>
> These statistics must be reflected in the admin-console/Jopr.
> Split from JBAS-6624:
> EJB3 Entity Tree Cache (in addition to availability)
> <!--jboss.cache:service=EJB3EntityTreeCache-->
> <metric property="NumberOfLocksHeld" displayType="summary"/>
>          <metric property="NumberOfNodes" displayType="summary"/>
> EJB3 Entity Tree Cache Interceptor (in addition to availability)
> <!--jboss.cache:service=EJB3EntityTreeCache,treecache-interceptor=CacheMgmtInterceptor-->
>             <metric property="HitMissRatio" displayType="summary" units="percentage"
>                     description="Returns the hit/miss ratio for the cache. This ratio is defined as hits/(hits + misses)."/>
>             <metric property="ReadWriteRatio" displayType="summary" units="percentage"
>                     description="Returns the read/write ratio for the cache. This ratio is defined as (hits + misses)/stores."/>
>             <metric property="Hits" displayType="summary"/>
>             <metric property="Misses" displayType="summary"/>
>             <metric property="Evictions" displayType="summary"/>
>             <metric property="NumberOfLocksHeld"/>
>             <metric property="NumberOfNodes"/>
>             <metric property="AverageWriteTime" units="milliseconds"/>
>             <metric property="TimeSinceReset" units="seconds"/>
>             <metric property="AverageReadTime" units="milliseconds"/>
>             <metric property="NumberOfNodes"/>
>             <metric property="Stores"/>
>             <metric property="NumberOfAttributes"/>
>             <metric property="ElapsedTime" units="milliseconds"/> 

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