Alberto Gomez created GEODE-10087:
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Summary: 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
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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