missing userlogs
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Key: HADOOP-1288
URL: https://issues.apache.org/jira/browse/HADOOP-1288
Project: Hadoop
Issue Type: Bug
Components: mapred
Affects Versions: 0.12.3
Reporter: Christian Kunz
I noticed that a long-running job taking more than 1 day can have reduce tasks
with missing stderr and stdout log directories (the syslog files exist).
I wonder whether it has to do with the default value of 12 hours for
mapred.userlog.retain.hours, resulting in deletion of the stderr/stdout
directories for reduce tasks idling till they start to actually reduce.
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