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On Fri, Dec 18, 2009 at 1:38 PM, Florian Philipp |
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<lists@f_philipp.fastmail.net> wrote: |
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> Hi list! |
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> |
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> My virtual server seems to have a problem and I don't know how to find it. |
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> |
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> Today, while trying to create a new postgresql database I noticed that |
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> certain system operations seem to take ages. Normal work on the shell |
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> works just fine but for example accessing the postgresql server through |
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> psql, restarting tomcat, postgresql or zope all show the very same behavior: |
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> Execution freezes, the load average climbs to 1-1.9 and after a few |
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> minutes (maybe longer) the task finishes correctly. During all this |
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> time, top reports that the CPUs are 100% idle. |
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> |
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> Other services, for example rsyncd or openvpn, work normally. I also |
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> tried restarting the VM. Shutdown took maybe 10 or 15 minutes. Booting |
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> was much faster with only a few minutes until all services were up and |
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> running. However, it didn't solve the problem. |
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> |
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> So, my question is: How can I find out what is causing this? Can I |
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> somehow trace it? Find out why a process waits? |
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top, iotop, latencytop, powertop |
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