On Tue, Nov 7, 2017 at 4:38 AM, Jaroslav Kameník <jaros...@kamenik.cz> wrote: > Hi all, > > we are running one small testing cluster on virtualized HW, > it had little higher IOWaits in past, but after upgrade to > C* 3.11.1 IOWaits grew up +- three times. Are there any > changes causing more agressive disc usage?
What version are you upgrading from? How many page faults are you seeing? If the number is high, you might try adding "disk_access_mode: mmap_index_only" to cassandra.yaml (there is no default entry in the file). -- Eric Evans john.eric.ev...@gmail.com --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@cassandra.apache.org For additional commands, e-mail: dev-h...@cassandra.apache.org
