Heh, I highly suggest Munin. It's pricetag is much lower than splunk (although I do like splunk overall, it's a bit of a resource and $$ hog). Munin is kind of like cacti but much easier to setup and can track many many things like memory spikes, disk resources, etc.
Cheers, Clint On Tue, Jul 19, 2011 at 11:53 AM, William Attwood <[email protected]> wrote: > Splunk > On Jul 19, 2011 11:52 AM, "Steve Dibb" <[email protected]> wrote: >> Hey guys, >> >> So this is off-topic from PHP in general, but I know there's sysadmins >> on here too, so maybe you guys can help me out. :) >> >> I had a server go down this morning :sadface:, and looking at the logs >> from monit, something happened to suddenly spike the CPU and suck up all >> the RAM. >> >> These just popped up out of the blue: >> >> [MDT Jul 19 07:53:39] error : 'localhost' cpu system usage of 54.7% >> matches resource limit [cpu system usage>30.0%] >> [MDT Jul 19 07:53:45] error : 'localhost' swap usage of 100.0% >> matches resource limit [swap usage>25.0%] >> [MDT Jul 19 07:53:51] error : 'localhost' mem usage of 98.5% matches >> resource limit [mem usage>75.0%] >> >> I can tell it wasn't gradual buildup of cpu/swap/memory usage, since >> this was the first alert, and monit runs every 2 minutes. So, I assume >> something happened to spike the server and bring everything down. >> >> I've got two questions -- how do you guys usually go about monitoring >> this stuff? Monit can check the system general usage, but how do I know >> which applications are doing that? >> >> My second question is, where in the world do you start to diagnose >> something like this? Looking at the system and apache logs, it looks >> like everything just STOPPED. There's no red flags that I can see, so >> I'm having a hard time diagnosing it. >> >> Thanks guys, any help is appreciated. >> >> Steve >> >> _______________________________________________ >> >> UPHPU mailing list >> [email protected] >> http://uphpu.org/mailman/listinfo/uphpu >> IRC: #uphpu on irc.freenode.net > > _______________________________________________ > > UPHPU mailing list > [email protected] > http://uphpu.org/mailman/listinfo/uphpu > IRC: #uphpu on irc.freenode.net > _______________________________________________ UPHPU mailing list [email protected] http://uphpu.org/mailman/listinfo/uphpu IRC: #uphpu on irc.freenode.net
