Below is CPU usage from top. I don't see any steal. Idle time is pretty low.
Cpu(s): 83.3%us, 14.5%sy, 0.0%ni, 0.5%id, 0.0%wa, 0.0%hi, 1.7%si, 0.0%st Any other pointers? On Wed, Feb 19, 2014 at 8:34 PM, Nate McCall <n...@thelastpickle.com> wrote: > You may be seeing steal from another tenant on the VM. This article has a > good explanation: > > http://blog.scoutapp.com/articles/2013/07/25/understanding-cpu-steal-time-when-should-you-be-worried > > In short, kill the instance and launch a new one. Depending on your > latency requirements and operational ability to respond, you may want to > consider paying for dedicated instances. > > > On Wed, Feb 19, 2014 at 2:30 AM, Sourabh Agrawal > <iitr.sour...@gmail.com>wrote: > >> Hi, >> >> I am running cassandra 2.0.3 cluster on 4 AWS nodes. memory arguments are >> the following for each node : >> -Xms8G -Xmx8G -Xmn800M >> >> I am experiencing consistent high loads on one of the nodes. Each node is >> getting approximately equal number of writes. I tried to have a look at the >> logs and seems like CMS GC is running every 1-2 seconds. >> >> Any pointers on how to debug this? >> >> -- >> Sourabh Agrawal >> Bangalore >> +91 9945657973 >> > > > > -- > ----------------- > Nate McCall > Austin, TX > @zznate > > Co-Founder & Sr. Technical Consultant > Apache Cassandra Consulting > http://www.thelastpickle.com > -- Sourabh Agrawal Bangalore +91 9945657973