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I've been running Hyperic for a few months now and for the most part I'm pretty happy with it. I have recently noticed however that the agent process seems to hog 100% of the cpu every 15 mins for about 30 secs. The servers are windows 2003, the hyperic agent is version 4.0.3. Some googling hasn't turned up much of any use. I'd appreciate any pointers as to how I might further investigate this, or suggestions for a cure if anyone else has seen the same themselves.

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Sounds like Hyperic is scanning your servers every 15 minutes. What configuration settings is Hyperic checking, and can they be refined to have less of an impact?

  • You could try monitoring fewer settings on one of the servers to see if it has an effect.
  • It's also possible that another process is reading the registry and or file system at the same time as Hyperic. You might try disabling unnecessary services to see if that reduces CPU load.
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hi, thanks for the response. I've disabled a number of the monitoring steps but it hasn't helped yet. tomorrow I'll try disabling more and see if I can isolate which is to blame. ta, Robin – Robin Jun 4 '09 at 15:51
seems to be fine now, I've removed the location of the log files from the tomcat configuration. even though this was supposedly not setup to monitor these (I think) removing the log file location seemed to sort it out. We do have one v large log file in there which would fit with some comments on the hyperic forums. – Robin Jun 4 '09 at 16:23
Glad to hear that worked. I've used Tripwire for server monitoring, and in Tripwire you can limit the types of file changes it checks. For log files you may only want to check for deletion / last-access time / security. – Eric H Jun 4 '09 at 16:40
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