hbase/hbase-common
Tak Lon (Stephen) Wu d956828aac HBASE-26274 Create an option to reintroduce BlockCache to mapreduce job (#3684)
Introduce `hfile.onheap.block.cache.fixed.size`
and default to disable. when using ClientSideRegionScanner
it will be enabled with a fixed size for caching
INDEX/LEAF_INDEX block when a client, e.g.
snapshot scanner, scans the entire HFile
and does not need to seek/reseek to index
block multiple times.

Signed-off-by: Josh Elser <elserj@apache.org>
2021-09-22 09:26:57 -07:00
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