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From "Lars Hofhansl (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9931) Optional setBatch for CopyTable to copy large rows in batches
Date Tue, 03 Dec 2013 03:31:37 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9931?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13837283#comment-13837283
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Lars Hofhansl commented on HBASE-9931:
--------------------------------------

+1

> Optional setBatch for CopyTable to copy large rows in batches
> -------------------------------------------------------------
>
>                 Key: HBASE-9931
>                 URL: https://issues.apache.org/jira/browse/HBASE-9931
>             Project: HBase
>          Issue Type: Improvement
>          Components: mapreduce
>            Reporter: Dave Latham
>            Assignee: Nick Dimiduk
>             Fix For: 0.98.0, 0.96.1, 0.94.15
>
>         Attachments: HBASE-9931.00.patch, HBASE-9931.01.patch
>
>
> We've had CopyTable jobs fail because a small number of rows are wide enough to not fit
into memory.  If we could specify the batch size for CopyTable scans that shoud be able to
break those large rows up into multiple iterations to save the heap.



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