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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-12748) RegionCoprocessorHost.execOperation creates too many iterator objects
Date Thu, 02 Jul 2015 19:01:06 GMT

     [ https://issues.apache.org/jira/browse/HBASE-12748?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Enis Soztutar updated HBASE-12748:
----------------------------------
    Fix Version/s:     (was: 1.0.2)
                   1.0.3

> RegionCoprocessorHost.execOperation creates too many iterator objects
> ---------------------------------------------------------------------
>
>                 Key: HBASE-12748
>                 URL: https://issues.apache.org/jira/browse/HBASE-12748
>             Project: HBase
>          Issue Type: Sub-task
>    Affects Versions: 0.94.25, 0.98.9
>            Reporter: Vladimir Rodionov
>            Assignee: Vladimir Rodionov
>             Fix For: 2.0.0, 0.94.28, 0.98.14, 1.0.3
>
>         Attachments: HBase-12748.patch
>
>
> This is typical pattern of enhanced for ... loop usage in a hot code path. For every
HBase operation it instantiates iterator for coprocessor list twice. 



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