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    Poller taking up 25% of CPU?

    Posts: 3
    in System Management

    RHEL 4 Update 3 running with the 2.6.9-78.EL.smp kernel. Two processes running "poller" and they are eating up 25% of CPU. Not sure whats going on, and it looks like it's something to do with the kernel events.

    Any suggestions?

    Thanks,

    John

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    Comments

    • Posts: 2,177
      Have you run "ps -AF|grep poller" so see what the parent pid is to track the source application?
    • Posts: 3
      Ran the "ps -AF | grep poller" and the PPID was "6" which is "event/0". Only time I'm seeing the two poller daemons is during heavy load on the servers.

      Thanks,
      John
    • Posts: 2,177
      poller is checking status on hardware devices for changes. The nearly constant polling that you are referring to could be referring to a hardware bottleneck where the requests greatly exceed the hardware capabilities.

      Can you share some hardware and maximum use information so we can help you to locate the bottleneck?
    • Posts: 3
      No hardware changes to the system (goverment project). Wondering if the checks can simply be disabled?

      I'll pull together the hardware information.

      Thanks,
      John
    • Posts: 501
      Given RHEL 4.3 is WAAAAY out of date (RHEL 5 came out some 4 years ago, and 6 this past winter), is there any way to upgrade the OS on this system? Trust me, you will be happier having done so.

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