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100% CPU - high IO wait

-tim-
Hi,

I'm running an ASG 220 with v7.002. Since some days I have severe trouble because CPU is running on 100%. I found that IO wait is often using between 70% and 80%.
How can I find out which process is causing this?

-tim-


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  • 0 in reply to -tim-
    On my machine running 7.004 with 54 days of uptime, MySQL was using 291M VSZ and 165M RSS!

    This was causing some swapping.

    I'm not running any of the proxies, btw.

    I've upgraded to 7.005 and upgraded my RAM to 512MB, and followed William's suggestion of changing the kernel swappiness value, so we'll see how it goes.
    I haven't edited the my.cnf yet.

    The strange thing is the /var/storage/mysql/ directory is only 29MB, so I don't see what it could possibly be caching,
    UNLESS lots of temporary tables are being created by Astaro and not being freed.

    Barry