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Posted to reviews@spark.apache.org by gzm55 <gi...@git.apache.org> on 2014/07/16 05:40:30 UTC

[GitHub] spark pull request: remove staging dir when app quiting for yarn-c...

Github user gzm55 commented on the pull request:

    https://github.com/apache/spark/pull/154#issuecomment-49120476
  
    @tgravescs I file a jira describing this bug: https://issues.apache.org/jira/browse/SPARK-2508
    
    In a yarn-cluster, the driver is actually running as 'yarn' user in some container by a nodemanager. When
    submitting jobs from other users, e.g. user1, the stagingDir is created in submitting stage, which is actually a progress run by user1. So the full path of stagingDir on the hdfs should look like '/user/user1/.staging/...'.
    And in cleaning up stage, stagingDir could be removed by the driver. At this time, we need give stagingDir a full path, so
    the driver could remove the correct directory ('/user/user1/.staging/...'), not '/user/yarn/.staging/...'.


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