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From "Lars George (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-8946) Add a new function to Thrift 2 to open scanner, get results and close scanner
Date Sun, 21 Jul 2013 08:04:49 GMT

     [ https://issues.apache.org/jira/browse/HBASE-8946?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lars George updated HBASE-8946:
-------------------------------

       Resolution: Fixed
    Fix Version/s: 0.94.11
                   0.95.2
                   0.98.0
           Status: Resolved  (was: Patch Available)

Tests pass, looking good. Thanks for the patch as usual Hamed, great work!

Committed to all major branches.
                
> Add a new function to Thrift 2 to open scanner, get results and close scanner
> -----------------------------------------------------------------------------
>
>                 Key: HBASE-8946
>                 URL: https://issues.apache.org/jira/browse/HBASE-8946
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Thrift
>            Reporter: Hamed Madani
>            Assignee: Hamed Madani
>              Labels: thrift2
>             Fix For: 0.98.0, 0.95.2, 0.94.11
>
>         Attachments: HBASE-8946.patch, HBASE-8946-V2.patch, HBASE-8946-V3.patch, HBASE-8946-v4.patch,
HBASE-8946-v5-0.94.patch, HBASE-8946-v5.patch
>
>
> We found, very often we open a scanner , get x number of rows , then close the scanner
immediately. The attached patch , add a new function *getScannerResults* that does just that.

> Using getScannerResults function reduce number of calls to thrift server. Also since
the scanner gets closed immediately, it is less prone to cause memory leak. 

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