Sandy Ryza created MAPREDUCE-5763:
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Summary: Warn message about httpshuffle in NM logs
Key: MAPREDUCE-5763
URL: https://issues.apache.org/jira/browse/MAPREDUCE-5763
Project: Hadoop Map/Reduce
Issue Type: Bug
Reporter: Sandy Ryza
Assignee: Naren Koneru
{code}
2014-02-20 12:08:45,141 WARN
org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxServices: The
Auxilurary Service named 'mapreduce_shuffle' in the configuration is for class
class org.apache.hadoop.mapred.ShuffleHandler which has a name of
'httpshuffle'. Because these are not the same tools trying to send ServiceData
and read Service Meta Data may have issues unless the refer to the name in the
config.
2014-02-20 12:08:45,142 INFO
org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxServices: Adding
auxiliary service httpshuffle, "mapreduce_shuffle"
{code}
I'm seeing this in my NodeManager logs, even though things work fine. A WARN
is being caused by some sort of mismatch between the name of the service (in
terms of org.apache.hadoop.service.Service.getName()) and the name of the
auxiliary service.
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