This would be normal if the switches are user to kernel mode (disk & network IO are kernel mode activities). If your run queue (jobs waiting to run) is much larger than the number of cores (just a swag but less than 2-3*# of cores), you might have other issues.
*.......* *Daemeon C.M. ReiydelleUSA (+1) 415.501.0198London (+44) (0) 20 8144 9872* On Wed, Apr 5, 2017 at 5:45 AM, William Boutin <william.bou...@ericsson.com> wrote: > I’ve noticed that my apache-cassandra 2.2.6 process is consistently > performing CPU Context Switches above 10,000 per second. > > Is this to be expected or should I be looking into ways to lower the > number of context switches done on my Cassandra cluster? > > Thanks in advance. > > > > [image: Ericsson] <http://www.ericsson.com/> > > *WILLIAM L. BOUTIN * > Engineer IV - Sftwr > BMDA PADB DSE DU CC NGEE > > > *Ericsson* > 1 Ericsson Drive, US PI06 1.S747 > Piscataway, NJ, 08854, USA > Phone (913) 241-5574 > Mobile (732) 213-1368 > Emergency (732) 354-1263 > william.bou...@ericsson.com > www.ericsson.com > > [image: http://www.ericsson.com/current_campaign] > <http://www.ericsson.com/current_campaign> > > Legal entity: EUS - ERICSSON INC., registered office in US PI01 4A242. > This Communication is Confidential. We only send and receive email on the > basis of the terms set out at www.ericsson.com/email_disclaimer > > >
