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https://issues.apache.org/jira/browse/HBASE-11364?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14036507#comment-14036507
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Lars Hofhansl commented on HBASE-11364:
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Belated +1
So this implies that storage will be L2 by default and L1 is opt in?
In the interested of the least surprise we might want to reverse that...?
> [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
> Fix For: 0.99.0
>
> 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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