It would help to know what kind queries are slow. Hannu
> On 17 Apr 2017, at 18:42, Akshay Suresh <akshay.sur...@unotechsoft.com> wrote: > > Hi > > I have set up a cassandra cluster of 8 nodes. > > I am using Apache Cassandra 3.9 > > While using cassandra-stress tool for load testing, I am getting really slow > writes ( low upto few 10-20 writes per second ) along with frequent timeouts > and out of heap space errors. > > Kindly let me know how do I resolve this issue. > > > Disclaimer : The contents of this e-mail and attachment(s) thereto are > confidential and intended for the named recipient(s) only. It shall not > attach any liability on the originator or Unotech Software Pvt. Ltd. or its > affiliates. Any views or opinions presented in this email are solely those of > the author and may not necessarily reflect the opinions of Unotech Software > Pvt. Ltd. or its affiliates. Any form of reproduction, dissemination, > copying, disclosure, modification, distribution and / or publication of this > message without the prior written consent of the author of this e-mail is > strictly prohibited. If you have received this email in error please delete > it and notify the sender immediately.