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From "Arun C Murthy (Resolved) (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MAPREDUCE-3230) No information about Data Local maps from Job client CLI and in JobHistory
Date Thu, 20 Oct 2011 18:18:10 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3230?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arun C Murthy resolved MAPREDUCE-3230.
--------------------------------------

    Resolution: Not A Problem

Verified MAPREDUCE-2693 fixed it.
                
> No information about Data Local maps from Job client CLI and in JobHistory 
> ---------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3230
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3230
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: client, mrv2
>    Affects Versions: 0.23.0
>            Reporter: Karam Singh
>            Priority: Blocker
>             Fix For: 0.23.0
>
>
> Size of cluster is 350 NMs. I have topology.node.switch.mapping.impl set to enable rack-locality.
Ran randomwriter/sort and scan jobs. Both jobs ran completed successfully.
> On Job client sort job says :
> {code}
> Launched map tasks=16800
> Launched reduce tasks=700
> Other local map tasks=10
> Rack-local map tasks=16790
> {code}
> JobHistory files also don't have information about Data Local Maps.
> There used to be information about data local maps before, till about a month back, like
so:
> For sort with 349 NMs :
> {code}
> Launched map tasks=16754 
> Launched reduce tasks=700
> Other local map tasks=48
> Data-local map tasks=16459
> Rack-local map tasks=248
> {code}

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