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Posted to mapreduce-dev@hadoop.apache.org by "Chris Douglas (JIRA)" <ji...@apache.org> on 2009/12/23 02:13:30 UTC

[jira] Created: (MAPREDUCE-1329) Make MapTask.MapOutputBuffer logic more understandable

Make MapTask.MapOutputBuffer logic more understandable
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                 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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