Hello all, In my lab a colleague installed and configured spark 1.3.0 on a 4 noded cluster on CDH5.4 environment. The default port number for our spark configuration is 7456. I have been trying to SSH to spark-master from using this port number but it fails every time giving error JVM is timed out. After reading the documentation , given by Cloudera <http://www.cloudera.com/content/cloudera/en/documentation/core/latest/topics/cdh_ig_ports_cdh5.html> it says that the default port number for spark configuration should be 7077 and that is what i see in all the posts here and elsewhere on search results in Google. So now I have three question please if anyone can help me answer all or any of them Q1) Will the spark configuration work only with port number 7077? If yes, then how can I change the port number? Q2) Do i need to install spark on all the machines in the cluster? Q3) Do run any spark job do I always have to SSH into the spark-master machine ? or is it possible to connect my laptop to the spark-master and invoke commands from my laptop to spark-master and worker machines? Thank you for your time. Ashish
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