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https://issues.apache.org/jira/browse/HBASE-9648?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13854374#comment-13854374
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Sergey Shelukhin commented on HBASE-9648:
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Just clarifying, why is it hard to create writer is needed? For the case when
there are seemingly no KVs when you were creating the writer. I think coprocs
cannot screw up the seqIds, because set of files is already chosen, so that
should be ok
> collection one expired storefile causes it to be replaced by another expired
> storefile
> --------------------------------------------------------------------------------------
>
> Key: HBASE-9648
> URL: https://issues.apache.org/jira/browse/HBASE-9648
> Project: HBase
> Issue Type: Bug
> Components: Compaction
> Reporter: Sergey Shelukhin
> Assignee: Jean-Marc Spaggiari
> Attachments: HBASE-9648-v0-0.94.patch, HBASE-9648-v0-trunk.patch,
> HBASE-9648-v1-trunk.patch, HBASE-9648-v2-trunk.patch,
> HBASE-9648-v3-trunk.patch, HBASE-9648.patch
>
>
> There's a shortcut in compaction selection that causes the selection of
> expired store files to quickly delete.
> However, there's also the code that ensures we write at least one file to
> preserve seqnum. This new empty file is "expired", because it has no data,
> presumably.
> So it's collected again, etc.
> This affects 94, probably also 96.
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