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https://issues.apache.org/jira/browse/MAPREDUCE-3035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13130343#comment-13130343
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chackaravarthy commented on MAPREDUCE-3035:
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Hi Arun, I am checking and will update soon. Thanks
> MR V2 jobhistory does not contain rack information
> --------------------------------------------------
>
> Key: MAPREDUCE-3035
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3035
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 0.23.0
> Reporter: Karam Singh
> Assignee: chackaravarthy
> Priority: Blocker
> Fix For: 0.23.0
>
> Attachments: MAPREDUCE-3035.patch
>
>
> When topology.node.switch.mapping.impl is set to enable rack-locality
> resolution via the topology script, from the RM web-UI, we can see the rack
> information for each node. Running a job also reveals the information about
> rack-local map tasks launched at end of job completion on the client side.
> But the hostname field for attempts in the JobHistory does not contain this
> rack information.
> In case of hadoop-0.20 securiy or MRV1, hostname field of job history does
> contain rackid/hostname whereas in MRV2, hostname field only contains the
> hostIP. Thus this is a regression.
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