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Posted to common-dev@hadoop.apache.org by "Runping Qi (JIRA)" <ji...@apache.org> on 2007/05/11 15:53:15 UTC

[jira] Assigned: (HADOOP-1342) A configurable limit on the number of unique values should be set on the UniqueValueCount and ValueHistogram aggregators

     [ 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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