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From "Karam Singh (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-3230) Data Local maps information not coming on Job client CLI or in JobHistory
Date Thu, 20 Oct 2011 12:25:11 GMT

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

Karam Singh updated MAPREDUCE-3230:
-----------------------------------

    Summary: Data Local maps information not coming  on Job client CLI or in JobHistory  
(was: Data Local maps information not coming  Job client CLI or in JobHistory )
    
> Data Local maps information not coming  on Job client CLI or in JobHistory 
> ---------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3230
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3230
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Karam Singh
>
> Size of cluster is 350 NMs.
> I have topology.node.switch.mapping.impl is set to enable rack-locality. 
> Ran randomwriter/sort and scan jobs.
> Both jobs ran 
> Launched map tasks=16800
> On Job client sort says -:
>   Launched map tasks=16800
>   Launched reduce tasks=700
>   Other local map tasks=10
>   Rack-local map tasks=16790
> On Job client scan says -:
>   Launched map tasks=16800
>   Other local map tasks=50
>   Rack-local map tasks=16750
> JobHistory files also does having information of Data Local Maps
> There is information data local maps, last month, when I checked out code branch-0.23
> data local maps was coming
> e.g.
> For sort it was with 349 NMs-:
>   Launched map tasks=16754 
>   Launched reduce tasks=700
>   Other local map tasks=48
>   Data-local map tasks=16459
>   Rack-local map tasks=248
> For scan it was with 349 NMs -:
>   Launched map tasks=16752
>   Other local map tasks=27
>   Data-local map tasks=16532
>   Rack-local map tasks=193

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