Re: Help in understanding strange cassandra CPU usage

2018-12-09 Thread Michael Shuler
On 12/9/18 4:09 AM, Devaki, Srinivas wrote: > > Cassandra Version: 2.2.4 There have been over 300 bug fixes and improvements in the nearly 3 years between 2.2.4 and the latest 2.2.13 release. Somewhere in there was a GC logging addition as I scanned the changes, which could help with troubleshoot

Re: Help in understanding strange cassandra CPU usage

2018-12-09 Thread Jeff Jirsa
Sounds like over time you’re ending to doing something odd - maybe you’re leaking cql connections or something and it gets more and more intensive to manage them until you invoke the breaker, then it drops Will probably take someone going through a heap dump to really understand what’s going on

Help in understanding strange cassandra CPU usage

2018-12-09 Thread Devaki, Srinivas
Hi Guys, Since the start of our org, cassandra used to be a SPOF, due to recent priorities we changed our code base so that cassandra won't be SPOF anymore, and during that process we made a kill switch within the code(PHP), this kill switch would ensure that no connection is made to the cassandra