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From Christophe PRÉAUD (JIRA) <j...@apache.org>
Subject [jira] [Created] (SPARK-6469) Local directories configured for YARN are not used in yarn-client mode
Date Mon, 23 Mar 2015 14:05:10 GMT
Christophe PRÉAUD created SPARK-6469:
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             Summary: Local directories configured for YARN are not used in yarn-client mode
                 Key: SPARK-6469
                 URL: https://issues.apache.org/jira/browse/SPARK-6469
             Project: Spark
          Issue Type: Bug
          Components: Spark Core
            Reporter: Christophe PRÉAUD
            Priority: Minor


According to the [Spark YARN doc page|http://spark.apache.org/docs/latest/running-on-yarn.html#important-notes],
Spark executors will use the local directories configured for YARN, not spark.local.dir which
should be ignored.

If this works correctly in yarn-cluster mode, I've found out that it is not the case in yarn-client
mode.
The problem seems to originate in the method [isRunningInYarnContainer|https://github.com/apache/spark/blob/master/core/src/main/scala/org/apache/spark/util/Utils.scala#L686].

Indeed, I've checked with a simple application that the {{CONTAINER_ID}} environment variable
is correctly set in yarn-cluster mode (to something like {{container_1426666761810_0151_01_000001}},
but not in yarn-client mode.



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