Socket Map woes

Andrzej Filip anfi at
Wed Jun 23 14:56:21 EDT 2004

Lenny wrote:
> I am running Cyrus 2.2.3 (Simon's RPMS) and sendmail 8.12.10 with the socketmap
> patch. Cyrus is running in a murder configuration, with virtdomain support and
> ldap (via saslauthd).
> Hardware wise, we are currently using 2 frontend servers (Dell Poweredge 1750's
> 2.8ghz Xeons and 1 gig of ram), and 1 backend server (a Dell Poweredge 2650, I
> forget the specs). The OS's are Fedora Core 2.
> We recently started having issues with sendmail would "hang" for a period of
> time. This would cause the number of sendmail processes running to rise (in
> return causing the open connections to the ldap servers to rise). In trying to
> figure out what is causing this, I ran an strace on a sendmail process that had
> been sitting in the process list for some time. This is what I saw:
> Process 20449 attached - interrupt to quit
> connect(7, {sa_family=AF_FILE, path="/var/lib/imap/socket/socketmap"}, 110) = 0
> And it just sits there. Almost as if it's unable to connect to the socket. At
> this point in time there were approximately 250 sendmail processes running (and
> rising, because they all get "stuck" trying to access the smmapd socket).
> This has me really stumped. This seems to be the only thing causing bad access
> times for the whole system. Does anyone have any idea?

Could you post the following ?
1) smmapd from SERVICES section of your cyrus.conf
2) system limits "ulimit -a" set on cyrus user

Andrzej [en:Andrew] Adam Filip anfi at anfi at
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