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From "Lars Hofhansl (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11544) [Ergonomics] hbase.client.scanner.caching is dogged and will try to return batch even if it means OOME
Date Thu, 05 Feb 2015 05:51:35 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11544?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14306696#comment-14306696
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Lars Hofhansl commented on HBASE-11544:
---------------------------------------

Filed HBASE-12976.
(By the way that is recent realization I had when testing garbage collection vs. network performance)


> [Ergonomics] hbase.client.scanner.caching is dogged and will try to return batch even
if it means OOME
> ------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-11544
>                 URL: https://issues.apache.org/jira/browse/HBASE-11544
>             Project: HBase
>          Issue Type: Bug
>            Reporter: stack
>            Priority: Critical
>              Labels: beginner
>
> Running some tests, I set hbase.client.scanner.caching=1000.  Dataset has large cells.
 I kept OOME'ing.
> Serverside, we should measure how much we've accumulated and return to the client whatever
we've gathered once we pass out a certain size threshold rather than keep accumulating till
we OOME.



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