[jira] [Resolved] (HBASE-9949) Fix the race condition between Compaction and StoreScanner.init

["Ted Yu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-9949?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ted Yu resolved HBASE-9949.
---------------------------

    Resolution: Fixed

Test would be added in separate JIRA once approach to testing is agreed upon.

> 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, 0.98.0
>
>         Attachments: 9949-0.96.addendum, 9949-trunk-v1.txt, 9949-trunk-v2.txt, 9949-trunk-v3.txt, 9949.addendum
>
>   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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