Hi,
We are running qmail+qmail-scanner+clamav on Red Hat 8.0. This system is
running on P IV with 2.4 Ghz CPU and 2 GB of memory. When I route all of my
smtp traffice to this server it works fine for sometime, about 10-20 mins.
However the system load starts building up gradually. And after sometime the
system is dead. I'm using softlimits.
Avg. Incoming smtp rate is around 50-60 per min.
this is my supervise script:
exec /usr/local/bin/softlimit -m 40000000 \
/usr/local/bin/tcpserver -v -R -l "$LOCAL" -x /etc/tcp.smtp.cdb -c
"$MAXSMTPD" -u "$QMAILDUID" -g "$NOFILESGID" 0 smtp
/var/qmail/bin/qmail-smtpd 2>&1
Thank you in advance.
with regards,
Rohit
Below I've pasted the ps output which I ran seconds before the system crashed
ps showed multiple instances of running tcpserver.
PID TTY STAT TIME COMMAND
1 ? S 0:03 init
2 ? SW 0:00 [keventd]
3 ? SW 0:01 [kapmd]
4 ? RWN 0:01 [ksoftirqd_CPU0]
5 ? SW 0:00 [kswapd]
6 ? SW 2:33 [bdflush]
7 ? DW 0:10 [kupdated]
8 ? SW 0:00 [mdrecoveryd]
12 ? SW 0:41 [kjournald]
68 ? SW 0:00 [khubd]
287 ? SW 5:53 [kjournald]
288 ? RW 7:29 [kjournald]
535 ? S 0:01 syslogd -m 0
539 ? S 0:00 klogd -x
605 ? S 0:00 xinetd -stayalive -reuse -pidfile
/var/run/xinetd.pid
614 ? S 0:00 crond
640 ? S 0:01 /usr/local/sbin/clamd
651 tty1 S 0:00 /sbin/mingetty tty1
652 tty2 S 0:00 /sbin/mingetty tty2
653 tty3 S 0:00 /sbin/mingetty tty3
654 tty4 S 0:00 /sbin/mingetty tty4
655 tty5 S 0:00 /sbin/mingetty tty5
656 tty6 S 0:00 /sbin/mingetty tty6
18274 ? S 0:00 /usr/local/apache/bin/httpd
18275 ? S 0:00 /usr/local/apache/bin/httpd
18276 ? S 0:00 /usr/local/apache/bin/httpd
18277 ? S 0:00 /usr/local/apache/bin/httpd
18278 ? S 0:00 /usr/local/apache/bin/httpd
18279 ? S 0:00 /usr/local/apache/bin/httpd
18283 ? S 0:00 /usr/local/apache/bin/httpd
25287 ? S 0:00 /usr/local/apache/bin/httpd
25321 ? S 0:00 /usr/local/apache/bin/httpd
25322 ? S 0:00 /usr/local/apache/bin/httpd
25323 ? S 0:00 /usr/local/apache/bin/httpd
5956 ? S 0:34 clamd
29226 ? S 0:00 /usr/local/sbin/sshd
29228 pts/2 S 0:00 -bash
29265 pts/2 S 0:00 su -
29266 pts/2 S 0:00 -bash
29425 ? S 0:00 /usr/local/sbin/sshd
29427 pts/0 S 0:00 -bash
29461 pts/0 S 0:00 su -
29462 pts/0 S 0:00 -bash
29986 ? S< 0:00 sshd2
29991 ? S< 0:00 sshd2
29993 pts/3 S< 0:00 -bash
30126 pts/3 S 0:00 su -
30127 pts/3 S 0:00 -bash
1104 ? S< 0:00 sshd2
1146 pts/1 S< 0:00 -bash
1313 pts/1 S 0:00 su -
1410 pts/1 S 0:00 -bash
8417 pts/0 S 0:00 svscan
8418 pts/0 S 0:00 supervise qmail-send
8419 pts/0 S 0:00 supervise log
8420 pts/0 S 0:00 supervise qmail-smtpd
8421 pts/0 S 0:00 supervise log
8422 pts/0 D 0:01 qmail-send
8423 pts/0 S 0:00 /usr/local/bin/multilog t /var/log/qmail
8424 pts/0 S 0:00 /usr/local/bin/tcpserver -v -R -l
av-scanner.wlink.com.np -x /etc/tcp
8425 pts/0 D 0:00 /usr/local/bin/multilog t /var/log/qmail/smtpd
8426 pts/0 S 0:00 qmail-lspawn ./Mailbox/
8427 pts/0 S 0:00 qmail-rspawn
8428 pts/0 S 0:00 qmail-clean
8430 pts/0 D 0:00 qmail-remote hcm.fpt.vn [EMAIL PROTECTED]
[EMAIL PROTECTED]
9021 pts/0 R 0:06 qmail-remote colby.co.in [EMAIL PROTECTED]
[EMAIL PROTECTED]
9022 pts/0 R 0:07 qmail-remote colby.co.in [EMAIL PROTECTED]
[EMAIL PROTECTED]
9024 pts/0 R 0:06 qmail-remote colby.co.in [EMAIL PROTECTED]
[EMAIL PROTECTED]
9025 pts/0 R 0:08 qmail-remote colby.co.in [EMAIL PROTECTED]
[EMAIL PROTECTED]
9026 pts/0 D 0:06 qmail-remote colby.co.in [EMAIL PROTECTED]
[EMAIL PROTECTED]
9645 pts/3 D 0:00 top
11093 pts/0 S 0:00 qmail-remote ind.xerox.com [EMAIL PROTECTED]
[EMAIL PROTECTED]
11142 pts/0 S 0:00 qmail-remote ind.xerox.com [EMAIL PROTECTED]
[EMAIL PROTECTED]
11779 pts/0 R 0:04 qmail-remote hotmail.com [EMAIL PROTECTED]
[EMAIL PROTECTED]
12359 pts/0 S 0:00 /var/qmail/bin/qmail-smtpd
12360 pts/0 S 0:00 /usr/bin/suidperl -T
/dev/fd/3//var/qmail/bin/qmail-scanner-queue.pl
12361 pts/0 S 0:00 /var/qmail/bin/qmail-smtpd
12362 pts/0 S 0:00 /usr/bin/suidperl -T
/dev/fd/3//var/qmail/bin/qmail-scanner-queue.pl
12363 pts/0 S 0:00 /var/qmail/bin/qmail-smtpd
12366 pts/0 S 0:00 /usr/bin/suidperl -T
/dev/fd/3//var/qmail/bin/qmail-scanner-queue.pl
12374 pts/0 S 0:00 /usr/local/bin/clamdscan -r --disable-summary
--max-recursion=10 --ma
12376 pts/0 S 0:00 /usr/local/bin/clamdscan -r --disable-summary
--max-recursion=10 --ma
12379 pts/0 D 0:00 /var/qmail/bin/qmail-queue
12380 pts/0 R 0:05 /usr/local/bin/tcpserver -v -R -l
av-scanner.wlink.com.np -x /etc/tcp
12381 pts/0 R 0:04 /usr/local/bin/tcpserver -v -R -l
av-scanner.wlink.com.np -x /etc/tcp
12382 pts/0 S 0:00 /var/qmail/bin/qmail-smtpd
12383 pts/0 S 0:00 /var/qmail/bin/qmail-smtpd
12384 pts/0 S 0:00 /var/qmail/bin/qmail-smtpd
12385 pts/0 R 0:00 /usr/bin/suidperl -T
/dev/fd/3//var/qmail/bin/qmail-scanner-queue.pl
12386 pts/0 D 0:00 /usr/bin/suidperl -T
/dev/fd/3//var/qmail/bin/qmail-scanner-queue.pl
12387 pts/0 D 0:00 /usr/bin/suidperl -T
/dev/fd/3//var/qmail/bin/qmail-scanner-queue.pl
12388 pts/0 R 0:04 /usr/local/bin/tcpserver -v -R -l
av-scanner.wlink.com.np -x /etc/tcp
12389 pts/0 S 0:00 /var/qmail/bin/qmail-smtpd
12390 pts/0 D 0:00 /usr/bin/suidperl -T
/dev/fd/3//var/qmail/bin/qmail-scanner-queue.pl
12391 pts/0 S 0:00 /var/qmail/bin/qmail-smtpd
12392 pts/0 S 0:00 /var/qmail/bin/qmail-smtpd
12393 pts/0 D 0:00 /usr/bin/suidperl -T
/dev/fd/3//var/qmail/bin/qmail-scanner-queue.pl
12394 pts/0 R 0:04 /usr/local/bin/tcpserver -v -R -l
av-scanner.wlink.com.np -x /etc/tcp
12395 pts/0 R 0:00 /usr/bin/suidperl -T
/dev/fd/3//var/qmail/bin/qmail-scanner-queue.pl
12396 pts/0 S 0:00 /var/qmail/bin/qmail-smtpd
12397 pts/0 R 0:00 /usr/bin/suidperl -T
/dev/fd/3//var/qmail/bin/qmail-scanner-queue.pl
12398 pts/0 R 0:04 /usr/local/bin/tcpserver -v -R -l
av-scanner.wlink.com.np -x /etc/tcp
12399 pts/0 S 0:00 /var/qmail/bin/qmail-smtpd
12400 pts/0 D 0:00 /usr/bin/suidperl -T
/dev/fd/3//var/qmail/bin/qmail-scanner-queue.pl
12401 pts/0 R 0:04 /usr/local/bin/tcpserver -v -R -l
av-scanner.wlink.com.np -x /etc/tcp
12402 pts/0 R 0:04 /usr/local/bin/tcpserver -v -R -l
av-scanner.wlink.com.np -x /etc/tcp
12403 pts/0 R 0:03 /usr/local/bin/tcpserver -v -R -l
av-scanner.wlink.com.np -x /etc/tcp
12404 pts/0 S 0:00 /var/qmail/bin/qmail-smtpd
12405 pts/0 R 0:00 /usr/bin/suidperl -T
/dev/fd/3//var/qmail/bin/qmail-scanner-queue.pl
12406 pts/0 S 0:00 /var/qmail/bin/qmail-smtpd
12407 pts/0 R 0:00 /usr/bin/suidperl -T
/dev/fd/3//var/qmail/bin/qmail-scanner-queue.pl
12408 pts/0 R 0:03 /usr/local/bin/tcpserver -v -R -l
av-scanner.wlink.com.np -x /etc/tcp
12409 pts/0 R 0:03 /usr/local/bin/tcpserver -v -R -l
av-scanner.wlink.com.np -x /etc/tcp
12410 pts/0 R 0:03 /usr/local/bin/tcpserver -v -R -l
av-scanner.wlink.com.np -x /etc/tcp
12411 pts/0 R 0:02 /usr/local/bin/tcpserver -v -R -l
av-scanner.wlink.com.np -x /etc/tcp
12412 pts/0 S 0:00 /var/qmail/bin/qmail-smtpd
12413 pts/0 D 0:00 /usr/bin/suidperl -T
/dev/fd/3//var/qmail/bin/qmail-scanner-queue.pl
12414 pts/0 R 0:03 /usr/local/bin/tcpserver -v -R -l
av-scanner.wlink.com.np -x /etc/tcp
12415 pts/0 S 0:00 /var/qmail/bin/qmail-smtpd
12416 pts/0 S 0:00 /var/qmail/bin/qmail-smtpd
12417 pts/0 S 0:00 /var/qmail/bin/qmail-smtpd
12418 pts/0 S 0:00 /var/qmail/bin/qmail-smtpd
12419 pts/0 R 0:00 /usr/bin/suidperl -T
/dev/fd/3//var/qmail/bin/qmail-scanner-queue.pl
12420 pts/0 R 0:00 /usr/bin/suidperl -T
/dev/fd/3//var/qmail/bin/qmail-scanner-queue.pl
12421 pts/0 R 0:00 /usr/bin/suidperl -T
/dev/fd/3//var/qmail/bin/qmail-scanner-queue.pl
12422 pts/0 D 0:00 /usr/bin/suidperl -T
/dev/fd/3//var/qmail/bin/qmail-scanner-queue.pl
12423 pts/0 R 0:03 /usr/local/bin/tcpserver -v -R -l
av-scanner.wlink.com.np -x /etc/tcp
12424 pts/0 R 0:03 /usr/local/bin/tcpserver -v -R -l
av-scanner.wlink.com.np -x /etc/tcp
12425 pts/0 R 0:03 /usr/local/bin/tcpserver -v -R -l
av-scanner.wlink.com.np -x /etc/tcp
12426 pts/0 R 0:02 /usr/local/bin/tcpserver -v -R -l
av-scanner.wlink.com.np -x /etc/tcp
12427 pts/0 D 0:03 /usr/local/bin/tcpserver -v -R -l
av-scanner.wlink.com.np -x /etc/tcp
12428 pts/0 S 0:00 /usr/local/bin/tcpserver -v -R -l
av-scanner.wlink.com.np -x /etc/tcp
12429 pts/0 S 0:00 /usr/local/bin/tcpserver -v -R -l
av-scanner.wlink.com.np -x /etc/tcp
12432 pts/1 R 0:00 uptime
12439 pts/0 R 0:00 ps ax
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