Two ideas about lots of cpu with nothing happening: - is Riak entropy setting "active". Weekly it will rebuild hash trees
- does this activity occur after a handoff? Sometimes leveldb needs time to catch up afterward in current releases (fix coming soon). Matthew Sent from my iPad > On Aug 5, 2015, at 7:16 PM, Matthew Brender <mbren...@basho.com> wrote: > > Hey all, I'm practicing what I preach and asking a question to others > here. A community member pinged me with a couple questions: > > "I'm looking into an issue with Riak on our test environment (we > basically let devs spin up a copy of our prod stack on a giant box in > ec2). > > We've gotten some complaints that riak seems to be using a lot of CPU, > even when "nothing" is happening (something is always happening with > the # of apps and services on the box, even when no one is poking it). > > Is there a way to turn on an "access" log, so I could see what > requests are being made against riak, to try and correlate with? It > would have to be able to tell me about pbuffs usage, not just http." > > Could anyone help with these questions. I see a couple separate ones: > > 1. How to monitor what is causing higher CPU usage on a Riak cluster > 2. How to view an access log of protobuff and http requests, or just > the *most helpful* counters for them > > I know a ton of statistics are visible [1] through riak-admin, but I'd > like to hear what others recommend in particular. > > [1] http://docs.basho.com/riak/latest/ops/running/stats-and-monitoring/ > > Thanks, > > Matt Brender | Developer Advocacy Lead > Basho Technologies > t: @mjbrender > > _______________________________________________ > riak-users mailing list > riak-users@lists.basho.com > http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com _______________________________________________ riak-users mailing list riak-users@lists.basho.com http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
