Hello All,
I'm trying to understand this a little better. I read http://www.postfix.org/STRESS_README.html and have an ok idea about whats happening. I see several of these when watching top. smtpd -n smtp -t inet -u -o stress I can tell you we get about 10K messages an hour on average on this box, 98-99% spam of course. That 10K doesn't include the 1.3 connections we block at the firewall level with some CIDRs. The sad part is we don't have all that many users on this box, but that's the nature of spam. Anyway, I'm trying to better understand what the smtpd -n smtp -t inet -u -o stress is really telling me. Is there anything else I can do to reduce the stress that the system is apparently under? I was also debating adding -o stress=yes into my master.cf, but I'm not sure that's the best way to go. Any help appreciated! Joey For reference if I execute ps ax|grep smtpd I get back between 60-85 smtp processes: postfix 27167 0.0 0.0 3820 952 ? S Oct08 0:00 spawn -n policy -t unix user=nobody argv=/usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 27368 0.0 0.0 4468 960 ? S Oct08 0:00 spawn -n policy -t unix user=nobody argv=/usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 27863 0.0 0.0 2768 956 ? S Oct08 0:00 spawn -n policy -t unix user=nobody argv=/usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 28117 0.0 0.0 4424 956 ? S 00:05 0:00 spawn -n policy -t unix user=nobody argv=/usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 28157 0.0 0.0 4452 960 ? S 00:10 0:00 spawn -n policy -t unix user=nobody argv=/usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 28597 0.0 0.0 2828 960 ? S 01:01 0:00 spawn -n policy -t unix user=nobody argv=/usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 28793 0.0 0.0 3380 960 ? S 01:18 0:00 spawn -n policy -t unix user=nobody argv=/usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 28818 0.0 0.0 4700 956 ? S 01:21 0:00 spawn -n policy -t unix user=nobody argv=/usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 28828 0.0 0.0 3408 956 ? S 01:21 0:00 spawn -n policy -t unix user=nobody argv=/usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 28917 0.0 0.0 4588 960 ? S 01:24 0:00 spawn -n policy -t unix user=nobody argv=/usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 28958 0.0 0.0 3580 960 ? S 01:28 0:00 spawn -n policy -t unix user=nobody argv=/usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 29059 0.0 0.0 3840 960 ? S 01:44 0:00 spawn -n policy -t unix user=nobody argv=/usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 29076 0.0 0.0 4700 956 ? S 01:45 0:00 spawn -n policy -t unix user=nobody argv=/usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 29117 0.0 0.0 4320 956 ? S 01:53 0:00 spawn -n policy -t unix user=nobody argv=/usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 29119 0.0 0.0 4364 960 ? S 01:53 0:00 spawn -n policy -t unix user=nobody argv=/usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 29144 0.0 0.0 3716 956 ? S 01:55 0:00 spawn -n policy -t unix user=nobody argv=/usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 29146 0.0 0.0 3408 956 ? S 01:55 0:00 spawn -n policy -t unix user=nobody argv=/usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 30022 0.0 0.0 3088 956 ? S 02:09 0:00 spawn -n policy -t unix user=nobody argv=/usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 30096 0.0 0.0 3720 956 ? S 02:17 0:00 spawn -n policy -t unix user=nobody argv=/usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 30186 0.0 0.1 5476 2012 ? S 02:30 0:00 smtpd -n smtp -t inet -u -o stress postfix 30202 0.0 0.0 4404 956 ? S 02:30 0:00 spawn -n policy -t unix user=nobody argv=/usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 30207 0.0 0.1 6128 2056 ? S 02:31 0:00 smtpd -n smtp -t inet -u -o stress postfix 30218 0.0 0.0 3508 960 ? S 02:32 0:00 spawn -n policy -t unix user=nobody argv=/usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 30245 0.0 0.1 6944 2044 ? S 02:36 0:00 smtpd -n smtp -t inet -u -o stress postfix 30291 0.0 0.1 5288 2004 ? S 02:41 0:00 smtpd -n smtp -t inet -u -o stress postfix 30298 0.0 0.1 6496 2016 ? S 02:43 0:00 smtpd -n smtp -t inet -u -o stress postfix 30301 0.0 0.1 5688 2028 ? S 02:43 0:00 smtpd -n smtp -t inet -u -o stress postfix 30303 0.0 0.1 6788 2016 ? S 02:43 0:00 smtpd -n smtp -t inet -u -o stress nobody 30304 0.1 0.6 8476 6560 ? Ss 02:43 0:00 /usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 30306 0.0 0.1 6628 1988 ? S 02:44 0:00 smtpd -n smtp -t inet -u -o stress postfix 30308 0.0 0.1 6904 2056 ? S 02:44 0:00 smtpd -n smtp -t inet -u -o stress postfix 30309 0.0 0.1 6692 2012 ? S 02:44 0:00 smtpd -n smtp -t inet -u -o stress postfix 30310 0.0 0.1 6948 2016 ? S 02:44 0:00 smtpd -n smtp -t inet -u -o stress postfix 30312 0.0 0.1 5336 2024 ? S 02:44 0:00 smtpd -n smtp -t inet -u -o stress postfix 30313 0.0 0.0 3468 960 ? S 02:44 0:00 spawn -n policy -t unix user=nobody argv=/usr/bin/perl /usr/sbin/smtpd-policy.pl nobody 30314 0.0 0.6 8196 6612 ? Ss 02:44 0:00 /usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 30315 0.0 0.0 4132 960 ? S 02:44 0:00 spawn -n policy -t unix user=nobody argv=/usr/bin/perl /usr/sbin/smtpd-policy.pl nobody 30316 0.1 0.6 9308 6548 ? Ss 02:44 0:00 /usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 30317 0.0 0.0 3452 956 ? S 02:44 0:00 spawn -n policy -t unix user=nobody argv=/usr/bin/perl /usr/sbin/smtpd-policy.pl nobody 30318 0.1 0.6 8624 6568 ? Ss 02:44 0:00 /usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 30321 0.0 0.0 4704 956 ? S 02:44 0:00 spawn -n policy -t unix user=nobody argv=/usr/bin/perl /usr/sbin/smtpd-policy.pl nobody 30355 0.0 0.6 9792 6352 ? Ss 02:46 0:00 /usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 30356 0.1 0.1 6268 2052 ? S 02:46 0:00 smtpd -n smtp -t inet -u -o stress postfix 30358 0.1 0.1 5248 2024 ? S 02:46 0:00 smtpd -n smtp -t inet -u -o stress nobody 30360 0.1 0.6 8136 6556 ? Ss 02:46 0:00 /usr/bin/perl /usr/sbin/smtpd-policy.pl nobody 30361 0.1 0.6 8820 6544 ? Ss 02:46 0:00 /usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 30365 0.1 0.1 6528 2028 ? S 02:47 0:00 smtpd -n smtp -t inet -u -o stress postfix 30367 0.1 0.1 6288 2020 ? S 02:47 0:00 smtpd -n smtp -t inet -u -o stress postfix 30368 0.1 0.1 7100 2020 ? S 02:47 0:00 smtpd -n smtp -t inet -u -o stress nobody 30369 0.1 0.6 9692 6552 ? Ss 02:47 0:00 /usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 30370 0.0 0.1 6612 1956 ? S 02:47 0:00 smtpd -n smtp -t inet -u -o stress nobody 30371 0.1 0.6 8224 6556 ? Ss 02:47 0:00 /usr/bin/perl /usr/sbin/smtpd-policy.pl nobody 30372 0.1 0.6 8244 6560 ? Ss 02:47 0:00 /usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 30373 0.0 0.0 3852 960 ? S 02:47 0:00 spawn -n policy -t unix user=nobody argv=/usr/bin/perl /usr/sbin/smtpd-policy.pl nobody 30374 0.0 0.6 8924 6352 ? Ss 02:47 0:00 /usr/bin/perl /usr/sbin/smtpd-policy.pl nobody 30376 0.1 0.6 9440 6352 ? Ss 02:48 0:00 /usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 30377 0.1 0.1 6232 2056 ? S 02:48 0:00 smtpd -n smtp -t inet -u -o stress nobody 30379 0.2 0.6 8920 6548 ? Ss 02:48 0:00 /usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 30383 0.1 0.1 5128 2000 ? S 02:49 0:00 smtpd -n smtp -t inet -u -o stress nobody 30385 0.2 0.6 8448 6476 ? Ss 02:49 0:00 /usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 30392 0.1 0.1 7056 2016 ? S 02:50 0:00 smtpd -n smtp -t inet -u -o stress nobody 30394 0.2 0.6 9728 6536 ? Ss 02:50 0:00 /usr/bin/perl /usr/sbin/smtpd-policy.pl nobody 30395 0.2 0.6 9432 6540 ? Ss 02:50 0:00 /usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 30396 0.1 0.1 5412 1992 ? S 02:50 0:00 smtpd -n smtp -t inet -u -o stress nobody 30398 0.2 0.6 9708 6352 ? Ss 02:51 0:00 /usr/bin/perl /usr/sbin/smtpd-policy.pl nobody 30399 0.2 0.6 9312 6356 ? Ss 02:51 0:00 /usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 30437 0.1 0.1 5476 2008 ? S 02:51 0:00 smtpd -n smtp -t inet -u -o stress postfix 30439 0.0 0.1 5792 1972 ? S 02:51 0:00 smtpd -n smtp -t inet -u -o stress nobody 30440 0.2 0.6 8804 6520 ? Ss 02:51 0:00 /usr/bin/perl /usr/sbin/smtpd-policy.pl nobody 30441 0.3 0.6 9820 6556 ? Ss 02:51 0:00 /usr/bin/perl /usr/sbin/smtpd-policy.pl nobody 30446 0.2 0.6 9172 6352 ? Ss 02:51 0:00 /usr/bin/perl /usr/sbin/smtpd-policy.pl nobody 30449 0.3 0.6 9864 6528 ? Ss 02:51 0:00 /usr/bin/perl /usr/sbin/smtpd-policy.pl postfix 30520 0.0 0.1 3188 1160 ? S 02:51 0:00 smtp -t unix -u nobody 30536 3.5 0.6 9088 6472 ? Ss 02:53 0:00 /usr/bin/perl /usr/sbin/smtpd-policy.pl nobody 30538 4.8 0.6 8024 6360 ? Ss 02:53 0:00 /usr/bin/perl /usr/sbin/smtpd-policy.pl
