Friday, April 27th, 2012
Recently, we updated some servers from CentOS 5.6 to CentOS 6.2. Of course, we carefully monitored the performance of the hosts, so we can make a comparison about the performance. The one big change we applied with the application of Cent OS 6 was switching from ext3 to ext4 (although as ...
Posted in Best Practices, SysAdmins, Tips & Troubleshooting | No Comments »
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 »