The machine which does nothing
wmoran at potentialtech.com
Tue Jun 3 14:24:13 UTC 2008
In response to Nicolas Haller <nicolas at boiteameuh.org>:
> Hi all,
> I have a very strange problem with a machine. The box have a postfix
> which give e-mail to an amavisd-new and deliver ham to mailboxes.
> The problem is the mail queue grow but the machine doesn't work at full
> capacity. CPU is 90% idle, vmstat don't see proc are waiting for
> anything, disks are playing poker and there is a lot of RAM available.
> The machine have this problem under freebsd 6.3 and 7.0-RELEASE with a
> bi-Xeon Quad core.
amavisd and postfix do a lot of stuff. Could be timing out on DNS or
other networking issues. Grab a tcpdump while it's running and see
if any networking is taking an extraordinary amount of time.
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