Robert Joseph Evans created MAPREDUCE-4423:
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Summary: Potential infinet fetching of map output
Key: MAPREDUCE-4423
URL: https://issues.apache.org/jira/browse/MAPREDUCE-4423
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: mrv2
Affects Versions: 0.23.3, 2.0.1-alpha, 3.0.0
Reporter: Robert Joseph Evans
Assignee: Robert Joseph Evans
Inside Fetcher.java there are a few cases where an error can happen and the
corresponding map task is not marked as a fetch failure. One of these is if
the Shuffle server returns a malformed result.
MAPREDUCE-3992 makes this case a lot less common, but it is still possible. IF
the shuffle handler always returns a malformed result, but a OK response the
Fetcher will never stop trying to fetch those results.
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