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From "Runping Qi (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (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 13:53:15 GMT

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

Runping Qi reassigned HADOOP-1342:
----------------------------------

    Assignee: Runping Qi

> 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
>
> In the current implementation, the uniq number of values may increase unbounded, causing
out of memory eventually.

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