[exim] Exim And SpamAssassin And Performans ...

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Autor: Vahric MUHTARYAN
Data:  
A: exim-users
Assumpte: [exim] Exim And SpamAssassin And Performans ...
Hi Everybody,

            We want to handle 50,000 mail/hour with using SpamAssassin. Dual
Xeon Machine / 4GB ram  and SATA disk with RAID 1 . I know disk system is
not good maybe scsi or raid 10 like config needed but I installed exim 4.50
with compiling WITH_CONTENT_SCAN=yes , and installes spamassassin 3.0.4 with
using yum on FC3 with making correct settings , it's start to work . Child
process is default 5 but I setted it to 20 because machine is dual ... after
that I tried to send mail with using WorldMerge which is mail sending client
and I setted 50 sim. Connection . I2m running 4 different WorldMerge for
reaching sim. 200 conncetion at this moment I 'm sending 9K mails .   After
that my top out is like below  


            Exactly I don't know but with this configuration I have to scan
more mail and more sim. Connection I think ? What do you think ? 


            Am I dreaming ? with scanning with this config 50,000 m/h ,
because some commercial hardware devices are scaning 30000-50000 mail/hour
with this config and also virus included ! 


            Using sa-exim or mailscanner can imporve performans or not ?
Because I think that using exim built-in connectivity between exim and
spamassassin must be better then others ( I guess ) 


            I'm installed spamassassin with default config , no razor or
pazor there , no extra things ....  Any body advise and knowledge about it ?




top - 16:42:35 up 48 min,  6 users,  load average: 229.96, 83.60, 33.39
Tasks: 495 total,  47 running, 448 sleeping,   0 stopped,   0 zombie
Cpu(s): 90.8% us,  7.3% sy,  0.0% ni,  0.0% id,  0.0% wa,  0.4% hi,  1.6% si
Mem:   4151932k total,   514936k used,  3636996k free,    37616k buffers
Swap:  2031608k total,        0k used,  2031608k free,    41164k cached


  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND


13303 nobody    16   0 29604  23m 6380 R 27.5  0.6   0:36.34 spamd


13295 nobody    16   0 29596  23m 6380 R 24.5  0.6   0:33.71 spamd


13299 nobody    16   0 29608  23m 6380 S 24.2  0.6   0:39.59 spamd


13289 root      16   0 29576  23m 6380 S 23.9  0.6   0:29.54 spamd


13300 root      16   0 29624  23m 6380 S 23.3  0.6   0:36.03 spamd


13292 nobody    16   0 29608  23m 6380 R 22.4  0.6   0:33.18 spamd


13294 nobody    16   0 29608  23m 6380 R 22.4  0.6   0:33.66 spamd


13296 nobody    16   0 29612  23m 6380 R 21.1  0.6   0:34.90 spamd


13302 nobody    16   0 29604  23m 6380 R 19.6  0.6   0:40.85 spamd


13297 nobody    16   0 29632  23m 6380 R 17.5  0.6   0:41.41 spamd


13293 nobody    17   0 29612  23m 6380 R 16.9  0.6   0:30.82 spamd


13290 nobody    17   0 29616  23m 6380 R 15.4  0.6   0:38.24 spamd


13288 nobody    16   0 29600  23m 6380 R 15.1  0.6   0:36.49 spamd


13304 root      16   0 29640  23m 6380 S 14.8  0.6   0:31.74 spamd


13301 nobody    16   0 29604  23m 6380 R 13.0  0.6   0:30.76 spamd


13287 root      16   0 29628  23m 6380 S 12.7  0.6   0:36.26 spamd


13298 nobody    17   0 29612  23m 6380 R 12.1  0.6   0:33.47 spamd


13286 nobody    17   0 29608  23m 6380 R 11.8  0.6   0:36.23 spamd


13305 root      16   0 29616  23m 6380 S 10.9  0.6   0:37.73 spamd


13291 root      16   0 29608  23m 6380 S  7.6  0.6   0:35.90 spamd 


Thanks

Vahric