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Posted to issues@hbase.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2013/03/05 20:02:13 UTC

[jira] [Commented] (HBASE-6870) HTable#coprocessorExec always scan the whole table

    [ https://issues.apache.org/jira/browse/HBASE-6870?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13593772#comment-13593772 ] 

Ted Yu commented on HBASE-6870:
-------------------------------

[~ghelmling]:
Do you think this issue should be revived ?
                
> HTable#coprocessorExec always scan the whole table 
> ---------------------------------------------------
>
>                 Key: HBASE-6870
>                 URL: https://issues.apache.org/jira/browse/HBASE-6870
>             Project: HBase
>          Issue Type: Improvement
>          Components: Coprocessors
>    Affects Versions: 0.94.1
>            Reporter: chunhui shen
>            Assignee: chunhui shen
>         Attachments: HBASE-6870.patch, HBASE-6870-testPerformance.patch, HBASE-6870v2.patch, HBASE-6870v3.patch
>
>
> In current logic, HTable#coprocessorExec always scan the whole table, its efficiency is low and will affect the Regionserver carrying .META. under large coprocessorExec requests

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