devel anaconda:
> Hello everybody!
>
> I have a high-performance server (dual quad-core Xeon 2.8Ghz + 16GB RAM +
> 2SCSI disks 140Gb), RedHat Enterprise Linux 5.4, software RAID1 + Postfix
> 2.5.9.
> This server serves only smtp traffic. The only thing postfix should do -
> receive mails for one user and send it to local script via pipe. Like this:
>
> user: |/usr/local/bin/script
>
> The flow is about 250-300 mails per second.Everything is going fine, if there
> is no queue. But when queue grows to 10000+ letters (for some reasons),
> postfix loses control of it. deferred queue is null, active queue is almost
> null, but incoming queue is growing and growing. When incoming queue is about
> 100k+ letters, postfix just can't pick it up, until I stop incoming traffic.
> I'm wondering, why such a server can't handle this workload? Even if I do the
> following:
Because you load the DISK for 100% with incoming mail.
Wietse
