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From "Zhihong Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HBASE-6565) Coprocessor exec result Map is not thread safe
Date Thu, 16 Aug 2012 17:21:38 GMT

     [ https://issues.apache.org/jira/browse/HBASE-6565?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zhihong Ted Yu reassigned HBASE-6565:
-------------------------------------

    Assignee: Yuan Kang

Nice catch, Yuan.

Assigning issue to you.
                
> Coprocessor exec result Map is not thread safe
> ----------------------------------------------
>
>                 Key: HBASE-6565
>                 URL: https://issues.apache.org/jira/browse/HBASE-6565
>             Project: HBase
>          Issue Type: Bug
>          Components: client, coprocessors
>    Affects Versions: 0.92.2, 0.94.0, 0.96.0
>         Environment: hadoop1.0.2,hbase0.94,jdk1.6
>            Reporter: Yuan Kang
>            Assignee: Yuan Kang
>              Labels: coprocessors, patch
>             Fix For: 0.96.0, 0.92.3, 0.94.2
>
>         Attachments: Coprocessor-result-thread unsafe-bug-fix.patch
>
>   Original Estimate: 168h
>  Remaining Estimate: 168h
>
> I develop a coprocessor program ,but found some different results in repeated tests.for
example,normally,the result's size is 10.but sometimes it appears 9.
> I read the HTable.java code,found a TreeMap(thread-unsafe) be used in multithreading
environment.It cause the bug happened

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