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

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