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From "Devaraj Das (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1337) Each shuffle should proceed as a DFA
Date Tue, 08 May 2007 11:15:15 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1337?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12494250

Devaraj Das commented on HADOOP-1337:

Made this a minor issue since the shuffle code does not have known issues as-of-date. However,
the DFA probably is the ideal model to go after.

> Each shuffle should proceed as a DFA
> ------------------------------------
>                 Key: HADOOP-1337
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1337
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: mapred
>            Reporter: Devaraj Das
>            Priority: Minor
> The shuffle code (for fetching map outputs) should proceed as a DFA. The states (as Owen
had mentioned on HADOOP-1183) are (INITIAL, LOCATED, FETCHING, DONE, FAILED). This is to ensure
correctness of map output fetching.

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