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Posted to mapreduce-issues@hadoop.apache.org by "Robert Joseph Evans (JIRA)" <ji...@apache.org> on 2013/03/12 20:45:13 UTC
[jira] [Created] (MAPREDUCE-5060) Fetch failures that time out only
count against the first map task
Robert Joseph Evans created MAPREDUCE-5060:
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Summary: Fetch failures that time out only count against the first map task
Key: MAPREDUCE-5060
URL: https://issues.apache.org/jira/browse/MAPREDUCE-5060
Project: Hadoop Map/Reduce
Issue Type: Bug
Reporter: Robert Joseph Evans
Priority: Critical
When a fetch failure happens, if the socket has already "connected" it is only counted against the first map task. But most of the time it is because of an issue with the Node itself, not the individual map task, and as such all failures when trying to initiate the connection should count against all of the tasks.
This caused a particularly unfortunate job to take an hour an a half longer then it needed to.
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