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https://issues.apache.org/jira/browse/HBASE-28189?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wellington Chevreuil resolved HBASE-28189.
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Resolution: Fixed
Thanks for reviewing this, [~psomogyi]. I had merged this to master, branch-3,
branch-2, branch-2.5 and branch-2.4.
> Fix the miss count in one of CombinedBlockCache getBlock implementations
> ------------------------------------------------------------------------
>
> Key: HBASE-28189
> URL: https://issues.apache.org/jira/browse/HBASE-28189
> Project: HBase
> Issue Type: Bug
> Affects Versions: 2.6.0, 3.0.0-alpha-4, 2.4.17, 2.5.6, 4.0.0-alpha-1
> Reporter: Wellington Chevreuil
> Assignee: Wellington Chevreuil
> Priority: Major
> Fix For: 2.6.0, 2.4.18, 3.0.0-beta-1, 4.0.0-alpha-1, 2.5.7
>
>
> In one of the
> CombinedBlockCache.getBlock(getBlock(cacheKey,cachingrepeat,updateCacheMetrics)
> we always compute a miss in L1 if the passed block is of type DATA. We
> should compute the miss in one of the caches only, not both.
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