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Posted to mapreduce-issues@hadoop.apache.org by "Matt Foley (JIRA)" <ji...@apache.org> on 2012/05/29 08:34:23 UTC

[jira] [Updated] (MAPREDUCE-3011) TT should remove bad local dirs from conf to prevent constant disk checking

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3011?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matt Foley updated MAPREDUCE-3011:
----------------------------------

    Target Version/s:   (was: 1.1.0)
    
> TT should remove bad local dirs from conf to prevent constant disk checking
> ---------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3011
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3011
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>          Components: tasktracker
>    Affects Versions: 0.20.204.0
>            Reporter: Eli Collins
>            Assignee: Eli Collins
>
> Per HADOOP-7551 the TT does not remove bad mapred.local.dirs from the conf so after a single disk failure *every* call to get a local path for reading or writing results in a disk check of *all* configured local dirs. After detecting that a local dir is bad we should remove it from the conf so that we don't repeatedly perform this expensive operation.

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