> > I have seen this behavior with RH6.1. All of a sudden, for seemingly no
> > reason, pop3 would stop working. Attempts to telnet to port 110 would
> > fail. Inetd keeps running fine, and telnet/ftp works. I am 100% (well
>
> Have you tried running top to see _how_ much memory inetd and pop3 / imap
> are occupying?
Yeah. Barely 5-6 MB including ipop3d servers for all the people currently
popping. Greatest memory consumer is squid at 40MB. cat /proc/meminfo
indicates 5.2MB as free memory and swap usage is 5.6MB. Total RAM is
128MB, total swap is 256MB (in two 128MB chunks).
> There is also the factor of a POP lock file (for example when someone's
> m/c drops carrier halfway thru downloading a mail). If that is not
> deleted, pop3 slows down ...
Nope, everybody is on local LAN here. And we haven't had any LAN trouble.
Anyway, it has been a very rare event for me, twice in 8 months, with 30+
simultaneous users for 8+ hours a day is not a bad record. But puzzling it
is indeed.
Kedar.
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