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From "Anoop Sam John (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18992) Comparators passed to the Memstore's flattened segments seems to be wrong
Date Thu, 12 Oct 2017 10:33:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18992?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16201771#comment-16201771

Anoop Sam John commented on HBASE-18992:

I was also thinking that we dont make in memory compaction for the META regions.  Ya at first
search I can not see we doing this.  Then it is a bug.  But may be we should make META region
not to use in memory compaction?  Any way it is better to correct this bug.

> Comparators passed to the Memstore's flattened segments seems to be wrong
> -------------------------------------------------------------------------
>                 Key: HBASE-18992
>                 URL: https://issues.apache.org/jira/browse/HBASE-18992
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 2.0.0-alpha-3
>            Reporter: ramkrishna.s.vasudevan
>            Assignee: ramkrishna.s.vasudevan
>             Fix For: 2.0.0-beta-1
> While doing HBASE-18945 found that the comparators passed to the CellChunkImmutableSegment
and CellArrayImmutableSegment are sometimes wrong. We pass the comparator that we got from
the Store but when doing reinitializeCellSet we always use CellComparator.COMPARATOR.
> From code I don think we are stopping the META region to also go through CompactingMemstore.
If we do that then this JIRA is invalid. But considering that is not the case we should fix
it and pass the right comparator.

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