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Posted to issues@spark.apache.org by "Hans van den Bogert (JIRA)" <ji...@apache.org> on 2015/08/26 20:03:46 UTC
[jira] [Updated] (SPARK-10295) Dynamic reservation in Mesos does
not release when RDDs are cached
[ https://issues.apache.org/jira/browse/SPARK-10295?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hans van den Bogert updated SPARK-10295:
----------------------------------------
Description:
When running spark in coarse grained mode with shuffle service and dynamic allocation, 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.
was:
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.
> 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 allocation, 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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