Mailscanner mqueuein trouble

Res res at
Sat Jul 22 02:53:18 IST 2006

On Sat, 22 Jul 2006, Dhawal Doshy wrote:

> Res wrote:
>> Hi Chris,
>> On Fri, 21 Jul 2006, Chris Green wrote:
>>>> But I see in your followup post you only do about 100K a day, we have 3 
>>>> machines that do 3/4 of a million+  and 1 that does well over a million a 
>>>> day (which is the problem one) each so they are not exactly little 
>>>> machines.
>>> Are you running sa-learn on those boxes? I'm truely surprised at the 
>>> woeful performance you're getting. It's almost like you are feeding spam 
>>> in to sa-learn as ham...!
>> Yes on the smaller ones, but not on the problem one, I've tried turning
>> as much off with it as possible, all to no avail, once S.A is on bang, the 
>> queue starts to blow out. I admit im no S.A guru, extremely far from it, 
>> but the other boxes handle it well, but they dont do as much work as that 
>> one, and no it does swap, theres ample memory and its fast scsi raid like 
>> the others, I could understand it if the load blew out but it barely peaks 
>> much higher than normal.
> Have you considered any alternative to SA? if you have the resources and 
> patience try using some other tool with 'Custom Spam Scanner'.. dspam, 
> crm114, popfile come to mind immediately though there are others as well.

Must admit not yet, i might play around with dspam, as i've heard about 

> As for the SA problem on your main machine, are you possibly being 
> conservative on resource allocation to SA? like try running a higher number 
> of Children or a bigger batch size etc..

children runnnig is 10, we increased the batch 30 to 50, made a little 
difference, then increased it to 100, but no improvement over 50

even tried the SA check first size of 30k to as low as 5, which made a 
only minimal improvement.

> - dhawal


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