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From "Chris Douglas (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-1329) Make MapTask.MapOutputBuffer logic more understandable
Date Wed, 23 Dec 2009 01:13:30 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1329?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chris Douglas updated MAPREDUCE-1329:
-------------------------------------

    Description: As noted [here|https://issues.apache.org/jira/browse/MAPREDUCE-64?focusedCommentId=12790569&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#action_12790569],
the collection logic could be clarified by explicitly separating states rather than inferring
status by examining low-level markers. Similarly, abstractions for metadata, etc. should replace
the offset arithmetic currently in use.  (was: As noted [here|https://issues.apache.org/jira/browse/MAPREDUCE-64?focusedCommentId=12790569&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#action_12790569],
the collection logic could be clarified by explicitly separating states rather than inferring
status by examining low-level markers. Similarly, abstractions for metadata, etc. should replace
the offset arithmetic that )

> Make MapTask.MapOutputBuffer logic more understandable
> ------------------------------------------------------
>
>                 Key: MAPREDUCE-1329
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1329
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: task
>            Reporter: Chris Douglas
>            Assignee: Chris Douglas
>
> As noted [here|https://issues.apache.org/jira/browse/MAPREDUCE-64?focusedCommentId=12790569&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#action_12790569],
the collection logic could be clarified by explicitly separating states rather than inferring
status by examining low-level markers. Similarly, abstractions for metadata, etc. should replace
the offset arithmetic currently in use.

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