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From "Doug Cutting (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1342) A configurable limit on the number of unique values should be set on the UniqueValueCount and ValueHistogram aggregators
Date Fri, 11 May 2007 21:48:15 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1342?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12495183
] 

Doug Cutting commented on HADOOP-1342:
--------------------------------------

The patch simply fails to apply to trunk.

> A configurable limit on the number of unique values should be set on the UniqueValueCount
and ValueHistogram aggregators
> ------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-1342
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1342
>             Project: Hadoop
>          Issue Type: Improvement
>            Reporter: Runping Qi
>         Assigned To: Runping Qi
>             Fix For: 0.14.0
>
>         Attachments: patch-1342.txt
>
>
> In the current implementation, the uniq number of values may increase unbounded, causing
out of memory eventually.

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