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https://issues.apache.org/jira/browse/YARN-6145?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15852228#comment-15852228
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Jian He commented on YARN-6145:
-------------------------------
sample log for RequestHedgingRMFailoverProxyProvider after the patch
{code}
17/02/03 22:34:26 INFO impl.TimelineClientImpl: Timeline service address:
http://host:8188/ws/v1/timeline/
17/02/03 22:34:26 INFO client.RequestHedgingRMFailoverProxyProvider: Created
wrapped proxy for [rm1, rm2]
17/02/03 22:34:26 INFO client.AHSProxy: Connecting to Application History
server at host/172.22.126.225:10200
17/02/03 22:34:27 INFO client.RequestHedgingRMFailoverProxyProvider: Looking
for the active RM in [rm1, rm2]...
17/02/03 22:34:27 INFO client.RequestHedgingRMFailoverProxyProvider: Found
active RM on [rm2]
17/02/03 22:34:28 INFO mapreduce.JobSubmitter: number of splits:1
17/02/03 22:34:29 INFO impl.YarnClientImpl: Submitted application
application_1486160572621_0002
{code}
> Improve log message on fail over
> --------------------------------
>
> Key: YARN-6145
> URL: https://issues.apache.org/jira/browse/YARN-6145
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Jian He
> Assignee: Jian He
> Attachments: YARN-6145.1.patch
>
>
> On failover, a series of exception stack shown in the log, which is harmless,
> but confusing to user.
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