[jira] [Created] (SPARK-21099) INFO Log Message Using Incorrect Executor Idle Timeout Value

["Hazem Mahmoud (JIRA)" <ji...@apache.org>]

Hazem Mahmoud created SPARK-21099:
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             Summary: INFO Log Message Using Incorrect Executor Idle Timeout Value
                 Key: SPARK-21099
                 URL: https://issues.apache.org/jira/browse/SPARK-21099
             Project: Spark
          Issue Type: Bug
          Components: Spark Core
    Affects Versions: 2.1.0, 1.6.0
            Reporter: Hazem Mahmoud


INFO log message is using the wrong idle timeout (spark.dynamicAllocation.executorIdleTimeout) when printing the message that the executor holding the RDD cache is being removed.

INFO spark.ExecutorAllocationManager: Removing executor 1 because it has been idle for 30 seconds (new desired total will be 0)

It should be using spark.dynamicAllocation.cachedExecutorIdleTimeout when the RDD cache timeout is reached. I was able to confirm this by doing the following:

1. Update spark-defaults.conf to set the following:
executorIdleTimeout=30
cachedExecutorIdleTimeout=20
2. Update log4j.properties to set the following:
shell.log.level=INFO
3. Run the following in spark-shell:
scala> val textFile = sc.textFile("/user/spark/applicationHistory/app_1234")
scala> textFile.cache().count()
4. After 30 secs you will see 2 timeout messages, but of which are 30 secs (whereas one *should* be for 20 secs)



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