also pending read / write operations (nodetool tpstats) and I/O
On Tue, Jul 22, 2014 at 11:59 PM, Shane Hansen <shanemhan...@gmail.com> wrote: > I would look at load (disk space used) and system.compactions_in_progress. > > > > On Tue, Jul 22, 2014 at 3:49 PM, Arup Chakrabarti <a...@pagerduty.com> > wrote: > >> We have been going through and setting up alerts on our Cassandra >> clusters. We have catastrophic alerts setup to let us know when things are >> super broken, but we are now looking at setting up alerts for letting us >> know when we need to start scaling vertically or horizontally. >> >> We have alerts on our system metrics. What are the recommended metrics >> from the JMX that are strong indicators of needing to scale? >> > >
