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Posted to dev@pig.apache.org by "Cheolsoo Park (JIRA)" <ji...@apache.org> on 2013/10/17 08:34:42 UTC

[jira] [Created] (PIG-3524) Clean up Launcher and MapReduceLauncher after PIG-3419

Cheolsoo Park created PIG-3524:
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             Summary: Clean up Launcher and MapReduceLauncher after PIG-3419
                 Key: PIG-3524
                 URL: https://issues.apache.org/jira/browse/PIG-3524
             Project: Pig
          Issue Type: Bug
          Components: impl
    Affects Versions: 0.13.0
            Reporter: Cheolsoo Park
            Assignee: Cheolsoo Park
             Fix For: 0.13.0


This is clean-up that I did for Launcher and MapReduceLauncher as part of PIG-3502. I'd like to merge applicable changes from tez branch to trunk so that they will not diverge too much over time.

The changes include:
# Rename ExecutionEngineKiller to HangingJobKiller and move it from PigContext to Launcher. This brings back HangingJobKiller to its original place before PIG-3419.
# Remove kill() method from the ExecutionEngine interface. It was needed only by ExecutionEngineKiller, but after #1, it's no longer needed.
# Refactor Launcher and MapReduceLauncer classes. Basically, move MR-specific stuff to MapReduceLauncher and common stuff to Launcher.




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