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tetranz
PostPosted: Sat Mar 20, 2004 11:13 am 
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Hi all

If top shows a high load average, how do I see if something unreasonable is happening on my linode or its just that host very busy. In other words, how do I tell if I'm the culprit taking more than my fair share?

If we assume that the bottleneck is disk i/o which Chris's comments suggest it is, then should I look for STAT = D in a ps aux output. If there aren't any, then is it safe to assume that I'm not causing the problem? Are there other things I should look for?

Cheers
Ross
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asura
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PostPosted: Sat Mar 20, 2004 2:12 pm 
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One of the things I keep an eye out for is CPU %. If a process is usually an extraordinary amount of CPU time and % then I start to wonder why, and usually end of killing it.
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caker
PostPosted: Sat Mar 20, 2004 5:03 pm 
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tetranz wrote:
If top shows a high load average, how do I see if something unreasonable is happening on my linode or its just that host very busy. In other words, how do I tell if I'm the culprit taking more than my fair share?

Hey Ross. Do "vmstat 1" and look for high numbers (tens of thousands) under the "si" and "so" columns. That indicates that you're thrashing your swap.

-Chris
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