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https://issues.apache.org/jira/browse/MAPREDUCE-3265?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13155654#comment-13155654
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Mahadev konar commented on MAPREDUCE-3265:
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+1 looks good to me.
> Reduce log level on MR2 IPC construction, etc
> ---------------------------------------------
>
> Key: MAPREDUCE-3265
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3265
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: mrv2
> Affects Versions: 0.23.0
> Reporter: Todd Lipcon
> Assignee: Arun C Murthy
> Priority: Blocker
> Fix For: 0.23.1
>
> Attachments: MAPREDUCE-3265.patch
>
>
> Currently MR's IPC logging is very verbose. For example, I see a lot of:
> 11/10/25 12:14:06 INFO ipc.YarnRPC: Creating YarnRPC for
> org.apache.hadoop.yarn.ipc.HadoopYarnProtoRPC
> 11/10/25 12:14:06 INFO mapred.ResourceMgrDelegate: Connecting to
> ResourceManager at c0309.hal.cloudera.com/172.29.81.91:40012
> 11/10/25 12:14:06 INFO ipc.HadoopYarnRPC: Creating a HadoopYarnProtoRpc proxy
> for protocol interface org.apache.hadoop.yarn.api.ClientRMProtocol
> 11/10/25 12:14:07 INFO mapred.ResourceMgrDelegate: Connected to
> ResourceManager at c0309.hal.cloudera.com/172.29.81.91:40012
> 11/10/25 12:14:08 INFO mapred.ClientCache: Connecting to HistoryServer at:
> c0309.hal.cloudera.com:10020
> 11/10/25 12:14:08 INFO ipc.YarnRPC: Creating YarnRPC for
> org.apache.hadoop.yarn.ipc.HadoopYarnProtoRPC
> 11/10/25 12:14:08 INFO mapred.ClientCache: Connected to HistoryServer at:
> c0309.hal.cloudera.com:10020
> 11/10/25 12:14:08 INFO ipc.HadoopYarnRPC: Creating a HadoopYarnProtoRpc proxy
> for protocol interface org.apache.hadoop.mapreduce.v2.api.MRClientProtocol
> ... when submitting a job. This should be DEBUG level.
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