Prabhu Joseph created SPARK-22199:
-------------------------------------
Summary: Spark Job on YARN fails with executors "Slave
registration failed"
Key: SPARK-22199
URL: https://issues.apache.org/jira/browse/SPARK-22199
Project: Spark
Issue Type: Bug
Components: YARN
Affects Versions: 1.6.3
Reporter: Prabhu Joseph
Spark Job on YARN Failed with max executors Failed.
ApplicationMaster logs:
{code}
17/09/28 04:18:27 INFO ApplicationMaster: Unregistering ApplicationMaster with
FAILED (diag message: Max number of executor failures (3) reached)
{code}
Checking the failed container logs shows "Slave registration failed: Duplicate
executor ID" whereas the Driver logs shows it has removed those executors as
they are idle for spark.dynamicAllocation.executorIdleTimeout
Executor Logs:
{code}
17/09/28 04:18:26 ERROR CoarseGrainedExecutorBackend: Slave registration
failed: Duplicate executor ID: 122
{code}
Driver logs:
{code}
17/09/28 04:18:21 INFO ExecutorAllocationManager: Removing executor 122 because
it has been idle for 60 seconds (new desired total will be 133)
{code}
There are two issues here:
1. Error Message in executor is misleading "Slave registration failed:
Duplicate executor ID" as the actual error is it was idle
2. The job failed as there are executors idle for
spark.dynamicAllocation.executorIdleTimeout
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