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Discussion in 'Plesk for Linux - 8.x and Older' started by met00, Aug 22, 2006.

  1. met00

    met00 Guest

    CPU GenuineIntel, Intel(R) Pentium(R) 4 CPU 3.00GHz
    Version psa v7.5.4_build75060617.18 os_FedoraCore 3
    OS Linux


    mysqld seems to run away with all the CPU. starts out taking chunks at 20%-30% for 3-5 refreshes of "top", then drops out for 2-3 refreshes, then bounces back up. Server is running very few active processes (httpd's) as it's 3 in the morning.

    This is AFTER we saw it at 99% (uptime was 63 days) and it was at 99% of the CPU and not dropping, ever.

    any suggestions on where to even start looking for why mysqld seems to run away and eat up massive amounts of CPU. Thanks in advance.
  2. wagnerch

    wagnerch Guest

    You may want to watch threads_created status variable. If there is a lot of threads being created and/or destroyed then you will find mysql is spending a high % of sys CPU time.