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https://issues.apache.org/jira/browse/HADOOP-10386?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Haohui Mai updated HADOOP-10386:
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Hadoop Flags: Reviewed
> Log proxy hostname in various exceptions being thrown in a HA setup
> -------------------------------------------------------------------
>
> Key: HADOOP-10386
> URL: https://issues.apache.org/jira/browse/HADOOP-10386
> Project: Hadoop Common
> Issue Type: Improvement
> Components: ha
> Affects Versions: 2.2.0
> Reporter: Arpit Gupta
> Assignee: Haohui Mai
> Priority: Minor
> Fix For: 2.4.0
>
> Attachments: HDFS-5653.000.patch, HDFS-5653.001.patch,
> HDFS-5653.002.patch, HDFS-5653.003.patch, HDFS-5653.004.patch,
> HDFS-5653.005.patch, HDFS-5653.006.patch
>
>
> In a HA setup any time we see an exception such as safemode or namenode in
> standby etc we dont know which namenode it came from. The user has to go to
> the logs of the namenode and determine which one was active and/or standby
> around the same time.
> I think it would help with debugging if any such exceptions could include the
> namenode hostname so the user could know exactly which namenode served the
> request.
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