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Suggestion tuning Mail server
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Suggestion tuning Mail server



Hello,

I'm a MacOS X Server administrator and a WebObjects Developer. I have built a Webobject Application that sends newsletter for customers.

Problem: I have a lot of recipients, about 600, when I sent the emails the mail server took about 2hours for delivering all mails.

During this time also regular email for the account on that server had been afffected by this delay.

The mail server is a a Xserve G4 Mono-CPU with 1792 MB of ram, the Internet connection is fast, each email message is about 9KB

What is the best thing to do for speedup the process?

some data:

17:18  up 7 days, 17:01, 1 user, load averages: 21.21 21.21 20.88
17:21  up 7 days, 17:04, 1 user, load averages: 20.43 20.75 20.74
18:52  up 7 days, 18:35, 1 user, load averages: 20.37 20.36 20.23
19:28  up 7 days, 19:11, 1 user, load averages: 12.11 16.62 18.47


Processes: 132 total, 4 running, 1 stuck, 127 sleeping... 381 threads 19:29:29
Load Avg: 6.55, 14.02, 17.33 CPU usage: 87.5% user, 12.5% sys, 0.0% idle
SharedLibs: num = 12, resident = 4.07M code, 240K data, 688K LinkEdit
MemRegions: num = 13932, resident = 771M + 20.3M private, 81.2M shared
PhysMem: 152M wired, 807M active, 244M inactive, 1.18G used, 587M free // during the peak free ram was about 20M
VM: 7.01G + 6.86M 97928(0) pageins, 3186(0) pageouts


PID COMMAND %CPU TIME #TH #PRTS #MREGS RPRVT RSHRD RSIZE VSIZE
29142 imapd 0.0% 0:01.46 1 25 85 788K 3.82M 2.77M 49.5M
21501 trivial-re 0.0% 0:09.71 1 16 20 284K 468K 728K 26.7M
19361 cupsd 0.0% 0:13.34 2 30 26 572K 764K 1.49M 27.8M
7414 clamscan 29.7% 0:01.38 1 14 21 3.16M+ 672K 3.50M+ 28.6M
7408 pop3d 0.0% 0:00.07 1 18 77 476K 3.24M 2.05M 48.8M
7407 clamscan 28.6% 0:08.98 1 14 33 18.5M+ 672K 18.8M+ 40.8M
7402 local 0.0% 0:00.02 1 17 19 272K 532K 964K 26.8M
7400 smtpd 0.0% 0:00.04 1 16 20 292K 612K 752K 26.9M
7394 top 10.5% 0:05.40 1 24 23 1.04M 412K 1.45M 27.0M
7308 lmtpd 0.0% 0:00.33 1 25 82 736K 3.82M 2.78M 49.4M
7239 pop3d 0.0% 0:00.60 1 18 78 548K 3.24M 2.54M 48.8M
7157 smtpd 0.0% 0:00.08 1 16 21 328K 612K 940K 26.9M
7125 perl 0.0% 0:01.49 1 11 148 13.6M 39.6M 21.1M 60.4M
7031 perl 0.0% 0:03.01 1 11 156 15.4M 39.6M 25.4M 61.8M
7029 perl 0.0% 0:02.48 1 11 150 16.0M 39.6M 26.0M 61.6M
7024 perl 0.0% 0:02.31 1 11 149 15.0M 39.6M 22.6M 61.4M
7007 perl 0.0% 0:02.00 1 11 151 14.5M 39.6M 21.8M 60.5M
6981 pipe 0.0% 0:00.16 1 15 20 196K 496K 664K 26.8M
6975 local 0.0% 0:00.10 1 17 20 280K 532K 800K 26.8M
6952 perl 0.0% 0:02.37 1 11 149 14.7M 39.6M 22.5M 60.5M
6950 perl 0.0% 0:03.08 1 11 156 15.6M 39.7M 24.1M 61.6M
6949 cleanup 0.0% 0:00.30 1 16 20 252K 512K 744K 26.8M
6944 cleanup 0.0% 0:00.20 1 16 20 224K 512K 704K 26.8M
6927 perl 0.0% 0:03.44 1 11 154 15.8M 39.8M 24.2M 61.5M
6904 perl 0.0% 0:02.92 1 11 153 15.6M 39.6M 23.6M 61.6M
6899 smtpd 0.0% 0:00.41 1 16 21 344K 612K 804K 26.9M
6892 perl 0.0% 0:04.71 1 11 158 17.0M 39.6M 27.0M 61.7M
6873 perl 0.0% 0:03.45 1 11 153 14.4M 39.8M 22.5M 61.5M
6869 perl 0.0% 0:03.07 1 11 154 15.6M 39.7M 23.5M 61.6M
6845 perl 29.0% 0:54.63 1 11 150 13.1M 39.6M 20.0M 52.6M
6836 perl 0.0% 0:02.98 1 11 158 14.6M 39.8M 22.5M 60.8M
6821 perl 0.0% 0:03.51 1 11 153 15.6M 39.7M 24.1M 61.6M
6817 perl 0.0% 0:03.90 1 11 154 15.8M 39.6M 25.6M 61.9M
6800 perl 0.0% 0:03.77 1 11 156 15.6M 39.8M 23.6M 61.6M
6799 perl 0.0% 0:05.63 1 11 167 17.7M 39.7M 27.6M 62.2M
6796 perl 0.0% 0:04.58 1 11 161 16.4M 39.6M 24.6M 61.7M
6793 perl 0.0% 0:05.03 1 11 158 16.6M 39.8M 25.5M 61.6M
6768 perl 0.0% 0:03.96 1 11 157 16.6M 39.8M 26.6M 61.9M
6718 perl 0.0% 0:03.97 1 11 152 15.6M 39.6M 23.5M 61.5M
6630 perl 0.0% 0:03.59 1 11 155 15.1M 39.7M 22.8M 60.7M
6626 perl 0.0% 0:04.78 1 11 148 15.7M 39.6M 23.8M 61.4M



http://downloads.insigno.net/processor.jpg

Thank you very much
Amedeo
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