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https://issues.apache.org/jira/browse/HBASE-10280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13862181#comment-13862181
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Feng Honghua commented on HBASE-10280:
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Thanks for the correction of its parent jira number, [[email protected]] :-)
> 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-10263|https://issues.apache.org/jira/browse/HBASE-10263] per
> [[email protected]]'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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