[CentOS] Apache jserv monitoring?
Ray Leventhal
centos at swhi.netWed Jun 11 16:10:44 UTC 2008
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Sean Carolan wrote: > In our environment we have many legacy application servers running > apache/jserv. There is a web server front end, then a couple of > load-balanced java servers on the backside. One of the problems we > are faced with is hung or stuck jvms. I have looked at the java > process with the ps command, and there are many times when URL(s) do > not respond, yet the java looks healthy, at least from the OS point of > view. The usual cure for this situation is to restart the JVM, then > the URLs come right back up. > > Are any of you aware of tools for monitoring apache jserv, either from > localhost or by connecting to port 8008 over the network? I really > want to find out if there is a way to detect a "sick" JVM other than > getting a bunch of down URL alerts on my phone. > Being far from an expert, if restarting a service or script is what's needed, you might find SIM[1] helpful YMMV, -R [1]http://rfxnetworks.com/sim.php
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