>>> Kai Dupke <kdu...@suse.com> schrieb am 01.03.2017 um 09:55 in Nachricht <bf07f253-6d47-6194-6460-bb31ec7f5...@suse.com>: > On 02/27/2017 02:26 PM, Jeffrey Westgate wrote: >> We use Nagios to monitor, and once every 20 to 40 hours - sometimes longer, > and we cannot set a clock by it - while the machine is 95% idle (or more > according to 'top'), the host load shoots up to 50 or 60%. It takes about 20 > minutes to peak, and another 30 to 45 minutes to come back down to baseline, > which is mostly 0.00. > > So, you have a time window of ~1h where the system is under load, right? > This is somewhat different to what Ulrich had, but his approach might be > useful for you, too. > > Something against running some monitoring and capturing the processes, > process states and load say, every 5 minutes? > > Of course, the peaks might correlate to something in the logs - like > cron, logins, logrotates or whatever.
The main issue is "expected load" vs. "unexpected load". In my case the system was expected to be completely idle at night, so I had set the thresholds rather low. Other systems can use different approaches. I hope to hear what caused the problem in your case. Ulrich _______________________________________________ Users mailing list: Users@clusterlabs.org http://lists.clusterlabs.org/mailman/listinfo/users Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org
