[jira] [Created] (SPARK-10295) Dynamic reservation in Mesos does not release when RDDs are cached

["Hans van den Bogert (JIRA)" <ji...@apache.org>]

Hans van den Bogert created SPARK-10295:
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             Summary: Dynamic reservation in Mesos does not release when RDDs are cached
                 Key: SPARK-10295
                 URL: https://issues.apache.org/jira/browse/SPARK-10295
             Project: Spark
          Issue Type: Question
    Affects Versions: 1.5.0
         Environment: Spark 1.5.0 RC1
Centos 6
java 7 oracle
            Reporter: Hans van den Bogert
            Priority: Minor


When running spark in coarse grained mode with shuffle service and dynamic reservation, the driver does not release executors if a dataset is cached.
The console output OTOH shows:
> 15/08/26 17:29:58 WARN SparkContext: Dynamic allocation currently does not support cached RDDs. Cached data for RDD 9 will be lost when executors are removed.
However after the default of 1m, executors are not released. When I perform the same initial setup, loading data, etc, but without caching, the executors are released.

Is this intended behaviour?
If this is intended behaviour, the console warning is misleading. 





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