[jbosscache-issues] [JBoss JIRA] (JBCACHE-1637) Jboss Cache DataContainer should allow printDetails write to a file to save JVM memory cost

[Nghi Nguyen Van (JIRA)]

     [ https://issues.jboss.org/browse/JBCACHE-1637?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Nghi Nguyen Van updated JBCACHE-1637:
-------------------------------------

    Component/s: JMX


> Jboss Cache DataContainer should allow printDetails write to a file to save JVM memory cost
> -------------------------------------------------------------------------------------------
>
>                 Key: JBCACHE-1637
>                 URL: https://issues.jboss.org/browse/JBCACHE-1637
>             Project: JBoss Cache
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>          Components: JMX
>    Affects Versions: 3.2.5.GA, 3.3.0.GA
>            Reporter: Nghi Nguyen Van
>            Assignee: Manik Surtani
>
> * Our application environment have Xmx=3gb. While it is running the used memory is around 90% of the JVM capacity (~2.7GB) including >500MB cached content by Jboss cache. If I want to dump the jboss cached content out of the JVM the application then got OutOfMemoryError.
> The problem come from the way JbossCache use JVM memory to response back to JMX client, it nearly double JbossCache used memory: 2.7gb + 500Mb=3.3gb > JVM capacity.
> I think that JBossCache should improve by:
> # response content back to JMX client continuously
> # provide option to write content to an output file



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