[jira] [Created] (SPARK-30595) Unable to create local temp dir on spark on k8s mode, with defaults.

["Prashant Sharma (Jira)" <ji...@apache.org>]

Prashant Sharma created SPARK-30595:
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             Summary: Unable to create local temp dir on spark on k8s mode, with defaults.
                 Key: SPARK-30595
                 URL: https://issues.apache.org/jira/browse/SPARK-30595
             Project: Spark
          Issue Type: Bug
          Components: Kubernetes
    Affects Versions: 3.0.0
            Reporter: Prashant Sharma


Unless we configure the property,  {code} spark.local.dir /tmp {code} following error occurs:

{noformat}
*20/01/21 08:33:17 INFO SparkEnv: Registering BlockManagerMasterHeartbeat*

*20/01/21 08:33:17 ERROR DiskBlockManager: Failed to create local dir in /var/data/spark-284c6844-8969-4288-9a6b-b72679c5b8e4. Ignoring this directory.*

*java.io.IOException: Failed to create a temp directory (under /var/data/spark-284c6844-8969-4288-9a6b-b72679c5b8e4) after 10 attempts!*

*at org.apache.spark.util.Utils$.createDirectory(Utils.scala:304)*

*at org.apache.spark.storage.DiskBlockManager.$anonfun$createLocalDirs$1(DiskBlockManager.scala:164)*

*at scala.collection.TraversableLike.$anonfun$flatMap$1(TraversableLike.scala:245)*

*at scala.collection.IndexedSeqOptimized.foreach(IndexedSeqOptimized.scala:36)*
{noformat}

I have not yet fully understood the root cause, will post my findings once it is clear.



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