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Monitoring the wrong thing?
From: |
Marc Pinnell |
Subject: |
Monitoring the wrong thing? |
Date: |
Wed, 4 Aug 2010 12:30:52 -0700 |
Finally got Monit going this am on my webserver (daemon, 2 min interval). Since
then I am getting a couple of warnings an hour about high CPU loads. I am
monitoring the wrong thing (I don't totally understand the UNIX terminology
about loads)? Here is my config:
check system 1027mail
if loadavg (1min) > 4 then alert
if loadavg (5min) > 2 then alert
if memory usage > 75% then alert
if cpu usage (user) > 70% for 2 cycles then alert
if cpu usage (system) > 30% for 2 cycles then alert
and a warning I just received:
Begin forwarded message:
> Resource limit matched Service 1027mail
>
> Date: Wed, 04 Aug 2010 15:24:13 -0400
> Action: alert
> Host: 1027mail
> Description: cpu user usage of 80.8% matches resource limit [cpu user
> usage>70.0%]
>
and then two minutes later:
Resource limit succeeded Service 1027mail
Date: Wed, 04 Aug 2010 15:26:19 -0400
Action: alert
Host: 1027mail
Description: '1027mail' cpu user usage check succeeded [current cpu
user usage=0.0%]
This is the way they all go so far. Seems like if it happens to check at the
very moment a web request comes in (which obviously happens on a regular
basis!), it trips the warning.
Suggestions?
Marc
--
Marc Pinnell
1027 Design
PO Box 990872
Redding, CA 96099-0872
530.941.4706
fax: 866.232.5300
www.1027Design.com
Twitter: https://twitter.com/SoccerGuy3
"The taxpayer: That's someone who works for the federal government but doesn't
have to take the civil service examination."
- Ronald Reagan
- Monitoring the wrong thing?,
Marc Pinnell <=