Feng Honghua created HBASE-10280:
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Summary: Make inMemoryForceMode of LruBlockCache configurable per
column-family
Key: HBASE-10280
URL: https://issues.apache.org/jira/browse/HBASE-10280
Project: HBase
Issue Type: Improvement
Components: io, regionserver
Reporter: Feng Honghua
Assignee: Feng Honghua
An extension of [HBASE-10273|https://issues.apache.org/jira/browse/HBASE-10263]
per [~yuzhih...@gmail.com]'s suggestion.
brief description of this extension is as below:
1. if the global inMemoryForceMode is on, all in-memory blocks are preemptive
no matter what their per-column-family inMemoryForceMode are;
2. if the global inMemoryForceMode is off, only in-memory blocks of
column-family with inMemoryForceMode on are preemptive; non-preemptive inMemory
blocks respect the single/multi/memory ratio;
In short, global flag dominates, and per-column-family flag can only control
its own blocks.
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