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https://issues.apache.org/jira/browse/HBASE-17487?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ted Yu resolved HBASE-17487.
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Resolution: Later
> Log error when pushing pipeline to snapshot fails twice
> -------------------------------------------------------
>
> Key: HBASE-17487
> URL: https://issues.apache.org/jira/browse/HBASE-17487
> Project: HBase
> Issue Type: Improvement
> Reporter: Ted Yu
> Assignee: Ted Yu
> Priority: Trivial
> Attachments: 17487.v2.txt, 17487.v3.txt
>
>
> In CompactingMemStore#pushPipelineToSnapshot() , there is limit of 3
> iterations of pipeline.swap() call after which an empty ImmutableSegment is
> used as snapshot.
> However, there should be at most two iterations in pushPipelineToSnapshot()
> since during the second iteration there is no concurrent write to memstore.
> We should log error in the 3rd iteration to signify that this scenario should
> never happen.
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