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https://issues.apache.org/jira/browse/HBASE-9949?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13826326#comment-13826326
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Hudson commented on HBASE-9949:
-------------------------------

SUCCESS: Integrated in HBase-TRUNK #4687 (See 
[https://builds.apache.org/job/HBase-TRUNK/4687/])
HBASE-9949 Addendum takes out test infrastructure and new test (tedyu: rev 
1543305)
* 
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HStore.java
* 
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/StoreScanner.java
* 
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/util/InjectionEvent.java
* 
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/util/InjectionHandler.java
* 
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestStoreScanner.java


> 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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