You can have a Spark master where Cassandra is not running locally. I have tried this before. Spark cluster and Cassandra cluster could be on two different hosts, but to colocate, you can have both the executor and Cassandra node on same host.
Thanks, http://www.snappydata.io/blog <http://snappydata.io> On Thu, May 5, 2016 at 6:06 AM, Vinayak Agrawal <vinayakagrawa...@gmail.com> wrote: > Hi All, > I am working with a Cassandra cluster and moving towards installing Spark. > However, I came across this Stackoverflow question which has confused me. > > http://stackoverflow.com/questions/33897586/apache-spark-driver-instead-of-just-the-executors-tries-to-connect-to-cassand > > Question: > Do I need to install cassandra node on my Spark Master node so that Spark > can connect with cassandra > or > Cassandra only needs to be on Spark worker nodes? It seemss logical > considering data locality. > > Thanks > > -- > Vinayak Agrawal > > > "To Strive, To Seek, To Find and Not to Yield!" > ~Lord Alfred Tennyson >
