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From "Lars Hofhansl (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-6711) Avoid local results copy in StoreScanner
Date Tue, 04 Sep 2012 20:37:07 GMT

     [ https://issues.apache.org/jira/browse/HBASE-6711?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lars Hofhansl updated HBASE-6711:
---------------------------------

    Resolution: Fixed
        Status: Resolved  (was: Patch Available)

Committed to 0.94 and 0.96.
                
> Avoid local results copy in StoreScanner
> ----------------------------------------
>
>                 Key: HBASE-6711
>                 URL: https://issues.apache.org/jira/browse/HBASE-6711
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Lars Hofhansl
>            Assignee: Lars Hofhansl
>            Priority: Minor
>             Fix For: 0.96.0, 0.94.2
>
>         Attachments: 6711-0.94-v1.txt, 6711-0.96-v1.txt
>
>
> In StoreScanner the number of results is limited to avoid OOMs.
> However, this is done by first adding the KV into a local ArrayList and then copying
the entries in this list to the final result list.
> In turns out the this temporary list is only used to keep track of the size of the result
set in this loop. Can use a simple int instead.

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