[TriLUG] load monitoring, logging on rhel/centos

Nick Goldwater trilug at dogstar1.com
Mon Sep 29 06:51:50 EDT 2008


Perhaps Cacti with the syslog plug-in?
Nick

----- "Cristóbal Palmer" <cmp at cmpalmer.org> wrote:

| From: "Cristóbal Palmer" <cmp at cmpalmer.org>
| To: "Triangle Linux Users Group General Discussion" <trilug at trilug.org>
| Sent: Monday, September 29, 2008 2:40:12 AM GMT -05:00 US/Canada Eastern
| Subject: [TriLUG] load monitoring, logging on rhel/centos
|
| I've used Nagios before and will continue to use it, but more than
| monitoring I'm interested in logging. What are you using to log load
| (OS load, application load, etc)?
| 
| I'm especially interested in solutions that are focussed on logging or
| parsing of logs of mysql/apache on RHEL5. Summaries and graphs that
| can be shared with the PHB would be terrific, but text-only solutions
| may still be useful.
| 
| Here's the scenario in a bit more detail. I've got many websites
| sharing several mysql servers, and am not always able to find time to
| actively troll the slow query logs. I'd like something that gives me a
| bit of advance warning about what sites are getting hit how hard and
| how they're handling it. A site maxed out our mysql connections for a
| three minute blip? Great... when exactly did that happen, which site
| was it, etc. etc. Is there a project out there that simplifies
| answering these kinds of questions? If I see one of my mysql servers
| blip in Nagios, I don't want to have to go digging to figure out why
| it did so. Even when there are no problems, logs of what load was
| caused when by what site would be handy to have.
| 
| Cheers,
| --
| Cristóbal M. Palmer
| "Small acts of humanity amid the chaos of inhumanity provide hope. But
| small acts are insufficient."
|     -- Paul Rusesabagina
| --
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