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From "Chad Whipkey (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3442) QuickSort may get into unbounded recursion
Date Sun, 01 Jun 2008 00:42:45 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3442?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12601428#action_12601428
] 

Chad Whipkey commented on HADOOP-3442:
--------------------------------------

This may be useful to add: http://en.wikipedia.org/wiki/Introsort  (essentially, switch from
quicksort to heapsort once for subsorts beyond a certain depth).

> QuickSort may get into unbounded recursion
> ------------------------------------------
>
>                 Key: HADOOP-3442
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3442
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.17.0
>            Reporter: Runping Qi
>            Assignee: Chris Douglas
>         Attachments: HADOOP-3442.patch
>
>


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