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https://issues.apache.org/jira/browse/HBASE-11364?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stack updated HBASE-11364:
--------------------------
Attachment: 11364.txt
Adds to CacheConfig a flag cacheDataInL1. Adds override to
BlockCache#cacheBlock that takes the setting of this flag. Acts on this flag
in CombinedBlockCache. I set this flag on all system tables. I added a test
that this flag has an effect. Also tried it here locally to prove it works.
I went through LruBlockCache and the doc doing fixup of IN_MEMORY and another
pass over the block cache seciton. When this edit goes in, will close
HBASE-9131 because has that detail here.
> [BlockCache] Add a flag to cache data blocks in L1 if multi-tier cache
> ----------------------------------------------------------------------
>
> Key: HBASE-11364
> URL: https://issues.apache.org/jira/browse/HBASE-11364
> Project: HBase
> Issue Type: Task
> Reporter: stack
> Assignee: stack
> Attachments: 11364.txt
>
>
> This is a prerequisite for HBASE-11323 BucketCache on all the time. It
> addresses a @lars hofhansl ask that we be able to ask that for some column
> families, even their data blocks get cached up in the LruBlockCache L1 tier
> in a multi-tier deploy as happens when doing BucketCache (CombinedBlockCache)
> setups.
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