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I'm running a FreeBSD 4.1-RELEASE on a Dell Poweredge 2400 PIII
866mhz, 256Meg of RAM and a MegaRAID array (amrd0) with qpopper
v3.0.2 in inetd mode compiled with servermode. Some of my customers
get rather large emails (beyond 50 or 80meg each) making their
mailfile 150 or more. When they go to check mail our load average
spikes from 0.09 to 7.?? and above sometimes as much as 20.?? or
30.?? if several people are doing this at once. Also I have another
copy of qpopper compiled without servermode for use by our web-based
interface (Endymion MailMan) which also drives the load up even
higher when it copies the mailfile to the lockfile.
Any ideas? I don't think that someone checking a large mailfile
should bring my system to a screeching halt - when a certain user
(with an 89.4meg mailfile) checks her mail I get a page that POP3,
SMTP, FTP and DNS are down, as soon as she is done I get a page that
everything is up again. During the downtime I can't connect via ssh,
if I am already in and watching a 'top' I see her popper as the
highest process and the load is up around 40 or so.
Thanks!
- - -Joseph Peterson
Network Operations
Quantum Connections, LLC
[EMAIL PROTECTED]
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