[jira] [Updated] (GEODE-10087) Enhance Off-heap memory fragmentation visibility

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/GEODE-10087?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated GEODE-10087:
-----------------------------------
    Labels: pull-request-available  (was: )

>  Enhance Off-heap memory fragmentation visibility
> -------------------------------------------------
>
>                 Key: GEODE-10087
>                 URL: https://issues.apache.org/jira/browse/GEODE-10087
>             Project: Geode
>          Issue Type: Improvement
>          Components: offheap, statistics
>            Reporter: Alberto Gomez
>            Assignee: Alberto Gomez
>            Priority: Major
>              Labels: pull-request-available
>
> As pointed out in https://cwiki.apache.org/confluence/display/GEODE/Enhance+Off-heap+memory+fragmentation+visibility:
> "Even though Geode offers several stats related to the status of the off-heap memory area ({_}usedMemory{_}, {_}freeMemory{_}, {_}fragmentation{_}, _largestFragment_ and {_}fragments{_}), the ones that provide information about the level of the fragmentation of the off-heap memory ({_}fragmentation{_}, _largestFragment_ and {_}fragments{_}) are only updated when defragmentation is executed."
> The visibility of the off-heap memory fragmentation status must be made more visible as proposed in the above RFC by means of:
>  * Updating the largestFragment stat periodically.
>  * Adding a new off-heap stat called "freedChunks" that will provide the number of elements in the tiny and huge lists. This stat will be periodically updated.



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