Re: [AMaViS-user] Postfix/Amavis slow after O.S. upgrade

Ricardo wrote:

> Hi all!
>
> We have been running Postfix and Amavisd-new for quite some time,
> without any problem... until we upgraded our FreeBSD from 4.11 to
> 5.4-RELEASE.
>
> We are currently running:
>
> FreeBSD: 5.4-RELEASE
> Postfix: 2.3-20060207
> Amavisd: amavisd-new-20030616-p5 (ancient, I know...)
>
> Since the upgrade, at peak times, the messages take a lot of time to be
> sent. They usually took 2s to 3s at most, now they always take 10s+
> (sometimes more than 2min or 3min!).
>
> From the amavis.log, it seems that the problem is in the SMTP-* and
> fwd-* sections. Always.
>
> Here are the logs of a typical message with this probleam (edited for
> clarity sake):
>
> ---| amavis.log
> |----------------------------------------------------------
>
> Feb 13 18:22:34 xxx amavisd[2242]: (02242-03-11) LMTP::10024
> /var/amavis/amavis-20060213T180832-02242: <*from*> ->
> <*to*> Received: SIZE=2943 from xxx ([127.0.0.1])
> by localhost (xxx [127.0.0.1]) (amavisd-new, port 10024) with LMTP id
> 02242-03-11 for <*to*>; Mon, 13 Feb 2006 18:22:34 -0200 (BRDT)
>
> Feb 13 18:22:35 xxx amavisd[2242]: (02242-03-11) Checking: <*from*> ->
> <*to*>
>
> Feb 13 18:22:35 xxx amavisd[2242]: (02242-03-11) spam_scan: hits=4.11
> tests=...
>
> Feb 13 18:22:35 xxx amavisd[2242]: (02242-03-11) SPAM-TAG, <*from*> ->
> <*to*>,
> No, hits=4.1 tagged_above=4.0 required=8.0 tests=...
>
> Feb 13 18:22:35 xxx amavisd[2242]: (02242-03-11) FWD via SMTP:
> [127.0.0.1:10025] <*from*> -> <*to*>
>
> Feb 13 18:22:50 xxx amavisd[2242]: (02242-03-11) Passed, <*from*> ->
> <*to*>,
> Message-ID: <6794617.1139861709165.JavaMail.tomcat4@yyy>, Hits: 4.11
>
> Feb 13 18:22:50 xxx amavisd[2242]: (02242-03-11) TIMING [total 15845
> ms] -
> SMTP pre-DATA-flush: 30 ( 0%)
> SMTP DATA..........: 810 ( 5%)
> body hash..........: 0 ( 0%)
> lookup_sql.........: 18 ( 0%)
> mime_decode........: 17 ( 0%)
> AV-scan-1..........: 7 ( 0%)
> SA msg read........: 1 ( 0%)
> SA parse...........: 1 ( 0%)
> SA check...........: 454 ( 3%)
> fwd-connect........: 7811 (49%)
> fwd-mail-from......: 344 ( 2%)
> fwd-rcpt-to........: 445 ( 3%)
> write-header.......: 311 ( 2%)
> fwd-data...........: 0 ( 0%)
> fwd-data-end.......: 5178 (33%)
> fwd-rundown........: 411 ( 3%)
> unlink-1-files.....: 4 ( 0%)
> rundown............: 1 ( 0%)
>
> -

From the fwd-connect I'd think about a reverse DNS lookup timeout...?
Do you have rDNS activated and if yes, is the host able to resolve
127.0.0.1 or the local IP...?

Matt


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