Noah Young created SPARK-4977:
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Summary: spark-ec2 start resets all the spark/conf configurations
Key: SPARK-4977
URL: https://issues.apache.org/jira/browse/SPARK-4977
Project: Spark
Issue Type: Bug
Components: EC2
Affects Versions: 1.2.0
Reporter: Noah Young
Priority: Minor
Running `spark-ec2 start` to restart an already-launched cluster causes the
cluster setup scripts to be run, which reset any existing spark configuration
files on the remote machines. The expected behavior is that all the modules
(tachyon, hadoop, spark itself) should be restarted, and perhaps the master
configuration copy-dir'd out, but anything in spark/conf should (at least
optionally) be left alone.
As far as I know, one must create and execute their own init script to set all
spark configurables as needed after restarting a cluster.
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