For data locality, it is recommended to run the Spark workers and Cassandra on the same nodes.
Mohammed Author: Big Data Analytics with Spark<http://www.amazon.com/Big-Data-Analytics-Spark-Practitioners/dp/1484209656/> From: vivek.meghanat...@wipro.com [mailto:vivek.meghanat...@wipro.com] Sent: Friday, January 22, 2016 5:38 PM To: user@spark.apache.org Subject: Spark Cassandra clusters Hi All, What is the right spark Cassandra cluster setup - having Cassandra cluster and spark cluster in different nodes or they should be on same nodes. We are having them in different nodes and performance test shows very bad result for the spark streaming jobs. Please let us know. Regards Vivek The information contained in this electronic message and any attachments to this message are intended for the exclusive use of the addressee(s) and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately and destroy all copies of this message and any attachments. WARNING: Computer viruses can be transmitted via email. The recipient should check this email and any attachments for the presence of viruses. The company accepts no liability for any damage caused by any virus transmitted by this email. www.wipro.com<http://www.wipro.com>
