[wellylug] High load averages but no apparent cause

[David Harrison]

Hi,
Has anyone experienced high-load averages but haven't been able to see
processes that are causing it?

I've got an Ubuntu Server 9.10 instance who's load average ranges between
1.0 and 3.0 for most of the day, yet tools like top and iostat don't reveal
any issues.
i.e. The load averages can be up around 1.5 whilst the maximum process
viewed in top is sitting at 5% of the CPU.

Anyone know of any other good tools for identifying the cause of server load
if the obvious ones fail?


David
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