For performance reasons, you shouldn't enable vnodes on any Cassandra/DSE datacenter that is doing hadoop analytics workloads. Other DCs in the cluster can use vnodes.
-Tupshin On Jul 2, 2014 5:50 PM, "Clint Kelly" <clint.ke...@gmail.com> wrote: > Hi everyone, > > Apologies if this is the incorrect forum for a question like this. > > I am going to set up a mixed-workload (real-time and analytics) > installation of DSE 4.5 using bring-your-own Hadoop (BYOH). We are > using CDH 5.0. > > I was reviewing the installation instructions, and I came across the > following comment here: > > http://www.datastax.com/documentation/datastax_enterprise/4.5/datastax_enterprise/byoh/byohInstall.html > > "6. Observe workload isolation best practices. Do not enable vnodes." > > Does this mean that the use of vnodes is not compatible with a > mixed-workload installation? Or with BYOH? I am confused why this > would be the case. > > If anyone can clarify, I would greatly appreciate it. > > Best regards, > Clint >
