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Posted to mapreduce-dev@hadoop.apache.org by "Jothi Padmanabhan (JIRA)" <ji...@apache.org> on 2009/12/09 10:46:18 UTC

[jira] Created: (MAPREDUCE-1276) Shuffle connection logic needs correction

Shuffle connection logic needs correction 
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                 Key: MAPREDUCE-1276
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1276
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: task
    Affects Versions: 0.21.0
            Reporter: Jothi Padmanabhan
            Assignee: Amareshwari Sriramadasu
            Priority: Blocker
             Fix For: 0.21.0


While looking at the code with Amareshwari, we realized that  {{Fetcher#copyFromHost}} marks connection as successful when {{url.openConnection}} returns. This is wrong. Connection is done inside implicitly inside {{getInputStream}}; we need to split {{getInputStream}} into {{connect}} and {{getInputStream}} to handle the connection and read time out strategies correctly.

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