Saturday, June 30th, 2012
Even with a great monitoring system, it can be hard sometimes to keep the noise down. (Indeed, the more powerful the monitoring, the more difficult this can be, as more data is collected and tested, automatically.) And keeping noise down in monitoring is vital, as you do not want staff ...
Posted in Best Practices, SysAdmins, Tips & Troubleshooting | No Comments »
Tuesday, March 6th, 2012
Last night our ops team (of which I am a member) got paged about the CPU load on a Cisco 3560 switch in a new datacenter, late at night. My initial reaction was "We don't need this alert escalated to pagers or phones- 3560's switch and route in hardware, so ...
Posted in Networking, Tips & Troubleshooting | 1 Comment »
Friday, February 3rd, 2012
We recently had a customer come into trial looking around for a new monitoring solution. This is always good for us. We love the takeaway. (Customers defecting from other monitoring systems to us.) As in most takeaway situations this customer had specific needs. Now there are the obvious ones in ...
Posted in SysAdmins, Tips & Troubleshooting | 1 Comment »
Saturday, December 24th, 2011
We received some alerts tonight that one Tomcat server was using about 95% of its configured thread maximum.
The Tomcat process on http-443 on prod4 now has 96.2 %
of the max configured threads in the busy state.
These were SMS alerts, as that was close enough to exhausting the available threads to warrant waking ...
Posted in Application Monitoring, Tips & Troubleshooting | No Comments »
