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Posted to issues@hbase.apache.org by "nkeywal (JIRA)" <ji...@apache.org> on 2013/03/18 17:32:16 UTC

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

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

nkeywal updated HBASE-6870:
---------------------------

    Affects Version/s: 0.96.0
                       0.95.0
    
> 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, 0.96.0
>            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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