Jongyoul Lee created SPARK-3223:
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Summary: runAsSparkUser cannot change HDFS write permission
properly in mesos cluster mode
Key: SPARK-3223
URL: https://issues.apache.org/jira/browse/SPARK-3223
Project: Spark
Issue Type: Bug
Components: Input/Output, Mesos
Affects Versions: 1.0.2
Reporter: Jongyoul Lee
Priority: Blocker
Fix For: 1.1.0
While running mesos with --no-switch_user option, HDFS account name is
different from driver and executor. It makes a permission error at last stage.
Executor's id is mesos' user id and driver's id is who runs spark-submit. So,
moving output from _temporary/path/to/output/part-xxxx to
/output/path/part-xxxx fails because of permission error. The solution for this
is only setting SPARK_USER to HADOOP_USER_NAME when MesosExecutorBackend calls
runAsSparkUser.
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