RE: high context switches

2014-11-24 Thread Jan Karlsson
@cassandra.apache.org Subject: Re: high context switches On Fri, Nov 21, 2014 at 1:21 AM, Jan Karlsson mailto:jan.karls...@ericsson.com>> wrote: Nothing really wrong with that however I would like to understand why these numbers are so high. Have others noticed this behavior? How much context switch

Re: high context switches

2014-11-21 Thread Robert Coli
On Fri, Nov 21, 2014 at 1:21 AM, Jan Karlsson wrote: > Nothing really wrong with that however I would like to understand why > these numbers are so high. Have others noticed this behavior? How much > context switching is expected and why? What are the variables that affect > this? > I +1 Nikola

Re: high context switches

2014-11-21 Thread Nikolai Grigoriev
How do the clients connect, which protocol is used and do they use keep-alive connections? Is it possible that the clients use Thrift and the server type is "sync"? It is just my guess, but in this scenario with high number of clients connecting-disconnecting often there may be high number of conte