A few questions I can't find in archive...

Raymond Dijkxhoorn raymond at PROLOCATION.NET
Fri Feb 27 22:07:11 GMT 2004


> Any (dis)advantages in HyperThreading? We're running a fairly busy (72k
> msg/day) dual Xeon 2.4 2GB RAM with HT on RH9 / MS 4-26.7 / SA 2.63 /
> Clam 0.65
> In top the MailScanner process continuously has near 100% of CPU 2. The
> idle percentage hunts around between one of the virtual CPU's at near 0%
> and the rest roughly equal. Sometimes all four are roughly equal. Our
> CPU utilisation as showing in Mailscanner-MRTG (older version) is higher
> than we would like it to be.

72K is not that many for a dual xeon, sounds strange. Are you using tmpfs
also ? Do you have a RBL lookups on a local server or all on the remote
RBL servers? Do you run a caching DNS on the box itself ?


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