Re: Spamassassin scanning slower on Linux compared to FreeBSD

2007-03-25 Thread Gary V
Julian Yap wrote: > I've tried doing some tests in debugging mode. How do you record > timings for the SA parts in debugging mode? > This may offer an idea: http://marc.info/?l=amavis-user&m=116108763611148 Gary V _ i'm making a

Re: Spamassassin scanning slower on Linux compared to FreeBSD

2007-03-25 Thread Jason Haar
Julian Yap wrote: > I'm finding that using FreeBSD 6.2 (64-bit kernel) is having much > faster scan times then any GNU/Linux system I've run. > For such a large difference (0.4 vs 10) it has to be DNS related. I'll take a stab: ipv6. If you have ipv6 enabled, Linux will attempt to do ipv6 DNS look

Re: Spamassassin scanning slower on Linux compared to FreeBSD

2007-03-25 Thread Daniel O'Connor
On Monday 26 March 2007 06:34, Julian Yap wrote: > On 3/25/07, Daniel O'Connor <[EMAIL PROTECTED]> wrote: > > One thing I would check is to make sure your malloc options are sensible. > > > > I have seen Perl benchmarks where subtle malloc options can have a huge > > neg/pos impact on performance.

Re: Spamassassin scanning slower on Linux compared to FreeBSD

2007-03-25 Thread Julian Yap
On 3/25/07, Michael Scheidell <[EMAIL PROTECTED]> wrote: Julian Yap wrote: > I've tried doing some tests in debugging mode. How do you record > timings for the SA parts in debugging mode? > I think spamd -D. Hmm, I don't recall seeing timings. I might be wrong or it could be the first column.

Re: Spamassassin scanning slower on Linux compared to FreeBSD

2007-03-25 Thread Michael Scheidell
Julian Yap wrote: Are you using pyzor,razor or dcc? Razor and DCC. I should try disabling both of these. I don't think you need to, but if you like 2 second emails ;-) set the timeouts to 1 second or less . (i think default is 5 seconds each) I've tried doing some tests in debugging mode

Re: Spamassassin scanning slower on Linux compared to FreeBSD

2007-03-25 Thread Julian Yap
On 3/25/07, Daniel O'Connor <[EMAIL PROTECTED]> wrote: One thing I would check is to make sure your malloc options are sensible. I have seen Perl benchmarks where subtle malloc options can have a huge neg/pos impact on performance. I'll need to look into this. Malloc options are Kernel level,

Re: Spamassassin scanning slower on Linux compared to FreeBSD

2007-03-25 Thread Julian Yap
On 3/25/07, Michael Scheidell <[EMAIL PROTECTED]> wrote: > -Original Message- > From: Julian Yap [mailto:[EMAIL PROTECTED] > Sent: Sunday, March 25, 2007 2:58 AM > To: users@spamassassin.apache.org > Cc: [EMAIL PROTECTED] > Subject: Spamassassin scanning slo

Re: Spamassassin scanning slower on Linux compared to FreeBSD

2007-03-25 Thread Daniel O'Connor
On Sunday 25 March 2007 21:07, Michael Scheidell wrote: > My assumptions are that Linux should be better/faster at disk access > (which includes spooling email, mime defang, virus scan, and sql access) Uhh why? > My other assumptions are that FBSD network drivers are faster, but in a > heavy emai

RE: Spamassassin scanning slower on Linux compared to FreeBSD

2007-03-25 Thread Michael Scheidell
> -Original Message- > From: Julian Yap [mailto:[EMAIL PROTECTED] > Sent: Sunday, March 25, 2007 2:58 AM > To: users@spamassassin.apache.org > Cc: [EMAIL PROTECTED] > Subject: Spamassassin scanning slower on Linux compared to FreeBSD > > > I have common hard

Spamassassin scanning slower on Linux compared to FreeBSD

2007-03-24 Thread Julian Yap
I have common hardware being Dual AMD64 CPU's with 4GB of RAM. Running Spamassassin 3.0.4 with exactly the same rules and setup. Running between 7 and 15 child processes. I'm finding that using FreeBSD 6.2 (64-bit kernel) is having much faster scan times then any GNU/Linux system I've run. Here