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From "chunhui shen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-6870) HTable#coprocessorExec always scan the whole table
Date Mon, 22 Apr 2013 02:41:18 GMT

     [ https://issues.apache.org/jira/browse/HBASE-6870?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

chunhui shen updated HBASE-6870:
--------------------------------

    Attachment: hbase-0.95-6870v6.patch
                hbase-0.94-6870v6.patch

Committed to trunk, 0.95 and 0.94.

Thanks for the review, Ted, Nicolas
                
> 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, 0.95.0, 0.95.2
>            Reporter: chunhui shen
>            Assignee: chunhui shen
>            Priority: Critical
>             Fix For: 0.98.0, 0.94.7, 0.95.1
>
>         Attachments: 6870-v4.txt, hbase-0.94-6870v6.patch, hbase-0.95-6870v6.patch, HBASE-6870.patch,
HBASE-6870-testPerformance.patch, HBASE-6870v2.patch, HBASE-6870v3.patch, hbase-6870v5.patch,
hbase-6870v6.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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