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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