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From "Vinod Kumar Vavilapalli (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-3035) MR V2 jobhistory does not contain rack information
Date Mon, 31 Oct 2011 16:35:32 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3035?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vinod Kumar Vavilapalli updated MAPREDUCE-3035:
-----------------------------------------------

    Attachment: MAPREDUCE-3035-20111031.1.txt

Attaching updated patch:
 - Removed bugs related to multiple resolution of racks.
 - Made rumen related changes as suggested by Amar in the above comments
 - Fixed test to verify that the rack-name is getting logged properly in the JobHistoryServer

[~ravidotg] is helping me test this with Rumen.
                
> 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: Critical
>             Fix For: 0.23.1
>
>         Attachments: MAPREDUCE-3035-1.patch, MAPREDUCE-3035-20111031.1.txt, 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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