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https://issues.apache.org/jira/browse/HBASE-9949?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13823041#comment-13823041
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Manukranth Kolloju commented on HBASE-9949:
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[~sershe], in prod, this operation should have absolutely low impact. The only
concern if any should be about the readability of the code going forward.
> Fix the race condition between Compaction and StoreScanner.init
> ---------------------------------------------------------------
>
> Key: HBASE-9949
> URL: https://issues.apache.org/jira/browse/HBASE-9949
> Project: HBase
> Issue Type: Bug
> Components: Scanners
> Affects Versions: 0.89-fb
> Reporter: Manukranth Kolloju
> Assignee: Manukranth Kolloju
> Priority: Minor
> Fix For: 0.89-fb
>
> Attachments: 9949-trunk-v1.txt, 9949-trunk-v2.txt
>
> Original Estimate: 48h
> Remaining Estimate: 48h
>
> The StoreScanner constructor has multiple stages and there can be a race
> betwwen an ongoing compaction and the StoreScanner constructor where we might
> get the list of scanners before a compaction and seek on those scanners after
> the compaction.
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