we have made with the configuration option-x
./configure --enable-clamav=y --enable-clamdscan=/usr/local/bin/clamdscan
--enable-dropmsg=y --enable-custom-smtp-reject=n --enable-per-domain=y
--enable-attach=y --enable-spam=y --enable-ripmime=/usr/local/bin/ripmime
--enable-received=y --enable-spam-hits=5.0 --enable-spamc=/usr/bin/spamc
--enable-spamc-args="-x -d 172.16.10.9" --enable-spamc-user=y --enable-regex=y
--with-pcre-include=/usr/local/include
memory before the crash SA
total used free shared buffers cached
Mem: 1033468 1012956 20512 0 71440 270720
-/+ buffers/cache: 670796 362672
Swap: 2031608 0 2031608
works for a few minutes then stops again
@400000004a27f6b60c9922c4 simscan:[26843]:CLEAN (0.00/3.00):112.9283s::
@400000004a27f6b60ea04d04 simscan:[23571]:CLEAN (0.00/3.00):221.3648s::
@400000004a27f6b61000ac0c simscan:[23679]:CLEAN (0.00/3.00):218.1913s::
@400000004a27f6b6291b8d4c simscan:[22930]:CLEAN (0.00/3.00):242.5665s::
@400000004a27f6b62c46770c simscan:[28731]:CLEAN (0.00/3.00):30.6124s::
memory after the fall SA
total used free shared buffers cached
Mem: 1033468 531860 501608 0 26700 147200
-/+ buffers/cache: 357960 675508
Swap: 2031608 13684 2017924
> Date: Wed, 3 Jun 2009 15:57:08 -0700
> From: jhar...@impsec.org
> To: lcr_2...@hotmail.com
> CC: users@spamassassin.apache.org
> Subject: Re: FW: SpamAssassin error Interrupted system call
>
> On Wed, 3 Jun 2009, Luis campo wrote:
>
> > this is an example of var / log / qmail / spamd
> >
> > 2009-06-03 12:00:16.531889500 [19168] info: prefork: child states:
> > BBBBBBBBBB
> > 2009-06-03 12:00:16.531949500 [19168] info: prefork: server reached
> > --max-children setting, consider raising it
>
> There is a problem. You're overloaded. I don't know if spamd being
> overloaded would result in spamc reporting interrupted system calls, but
> that would explain the behaviour you are seeing:
>
> > The problem is that spam works a few minutes then let it pass all
> > messages giving a score of 0.00 in the log
>
> From the spamc man page:
>
> -t timeout, --timeout=timeout
> Set the timeout for spamc-to-spamd communications (default: 600, 0
> disables). If spamd takes longer than this many seconds to reply to
> a message, spamc will abort the connection and treat this as a
> failure to connect; in other words the message will be returned
> unprocessed.
>
> "unprocessed" == "score of zero".
>
> You might try using spamc's "-x" option, which will tell qmail that spamd
> is overloaded rather than skipping the scan. I don't know how simscan will
> respond, but it's likely the messages would be queued for retry. Messages
> would take longer to be delivered, but they would all be scanned.
>
> > you said we have 3 mx with each SA, which work well only 2 and 3 is
> > where the error comes, If influence on our server reaches around 75,000
> > emails received daily.
>
> You may want to add memory and increase the number of child processes.
>
> Are you using any DNSBLs to reduce load within qmail at SMTP time, before
> the messages get passed off to SA for scoring?
>
> --
> John Hardin KA7OHZ http://www.impsec.org/~jhardin/
> jhar...@impsec.org FALaholic #11174 pgpk -a jhar...@impsec.org
> key: 0xB8732E79 -- 2D8C 34F4 6411 F507 136C AF76 D822 E6E6 B873 2E79
> -----------------------------------------------------------------------
> Our government should bear in mind the fact that the American
> Revolution was touched off by the then-current government
> attempting to confiscate firearms from the people.
> -----------------------------------------------------------------------
> 3 days until the 65th anniversary of D-Day
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