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https://issues.apache.org/jira/browse/HBASE-14189?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14680386#comment-14680386
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Nick Dimiduk commented on HBASE-14189:
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bq. they are useless for the whole RS cache setting
Hi [~chenheng]. The current layered approach is the way it is because we get
global controls with local overrides. For instance, when I have as much memory
as I expect to have data, cacheonwrite makes sense as a global setting. Can you
elaborate on the above? It's an opinion, not really much reasoning to convince
the rest of us.
> BlockCache options should consider CF Level BlockCacheEnabled setting
> ---------------------------------------------------------------------
>
> Key: HBASE-14189
> URL: https://issues.apache.org/jira/browse/HBASE-14189
> Project: HBase
> Issue Type: Improvement
> Components: BlockCache
> Affects Versions: 2.0.0
> Reporter: Heng Chen
> Assignee: Heng Chen
> Attachments: HBASE-14189.patch
>
>
> While using BlockCache, we use {{cacheDataOnRead}}({{cacheDataOnWrite}})
> represents for whether we should cache block after read(write) block from(to)
> hdfs. We should honour BC setting and CF Level cache setting while using
> BlockCache.
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