One downside is that when the machine crashes, you would lose more than one region server.
You may need to subclass RSGroupBasedLoadBalancer so that balancing decision fits your requirement. Cheers On Tue, Aug 23, 2016 at 4:53 PM, GuangYang <[email protected]> wrote: > Hello,We are recently exploring running multiple region servers on the > same host, some of the potential benefits:1. smaller region server > instance, thus potential less contention for better performance?2. We are > running region server groups, thus we can run region server groups with > different workloads on the same group of hardware. > We plan to go with cgroups to isolate region servers on the same host, > mainly because we have had good experience using cgroups within other > hadoop projects. > Has anyone played around with running multiple RS on the same host and > would like to share the experience? > Thanks,Guang
