Wellington Chevreuil created HBASE-28303:
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Summary: Interrupt cache prefetch thread when a heap usage
threshold is reached
Key: HBASE-28303
URL: https://issues.apache.org/jira/browse/HBASE-28303
Project: HBase
Issue Type: Improvement
Reporter: Wellington Chevreuil
Assignee: Wellington Chevreuil
Mostly critical when using non heap cache implementations, such as offheap or
file based. If the cache medium is too large and there are many blocks to be
cached, it may create a lot of cache index object in the RegionServer heap. We
should have guardrails to preventing caching from exhausting available heap.
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