Spark is a client library. You can just download the latest release or build on you own, and replace your existing one without changing you existing cluster.
Thanks. Zhan Zhang On Nov 3, 2015, at 3:58 PM, roni <roni.epi...@gmail.com<mailto:roni.epi...@gmail.com>> wrote: Hi Spark experts, This may be a very naive question but can you pl. point me to a proper way to upgrade spark version on an existing cluster. Thanks Roni Hi, I have a current cluster running spark 1.4 and want to upgrade to latest version. How can I do it without creating a new cluster so that all my other setting getting erased. Thanks _R
