[jira] [Resolved] (HBASE-28189) Fix the miss count in one of CombinedBlockCache getBlock implementations

["Wellington Chevreuil (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-28189?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wellington Chevreuil resolved HBASE-28189.
------------------------------------------
    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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