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https://issues.apache.org/jira/browse/HBASE-18992?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16202094#comment-16202094
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Chia-Ping Tsai commented on HBASE-18992:
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bq. In another issue we can change it NOT to do in memory compaction for the
META region?
I'm not sure which memstore impl is best choice for META region. Perhaps we
should make it configurable (via hbase-site.xml)?
> 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
>
> Attachments: HBASE-18992.patch
>
>
> 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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