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https://issues.apache.org/jira/browse/HBASE-17487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15830011#comment-15830011
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Anoop Sam John commented on HBASE-17487:
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Ya if we dont expect the loop to run more than 2 times, lets fail the op. I
feel its ok..
> Potential data loss when pipeline is pushed to snapshot
> -------------------------------------------------------
>
> Key: HBASE-17487
> URL: https://issues.apache.org/jira/browse/HBASE-17487
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Assignee: Ted Yu
> Priority: Minor
> Attachments: 17487.v1.txt
>
>
> In CompactingMemStore#pushPipelineToSnapshot() , there is limit of 3
> iterations of pipeline.swap() call after which an empty ImmutableSegment is
> used as snapshot.
> However, after 3rd iteration, the return value from swap() is not checked.
> If the 3rd swap() call is successful, the versioned list would be swapped
> with null in pipeline and snapshot being overwritten with the empty
> ImmutableSegment.
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