Users of RBL's

[Mark Presling]

Ahhhhh... the one time I get a chance to do a MS upgrade while I have 
time to kill on the train and the website is broken and I can't download 
the latest version!! Doh...

Steve Campbell wrote:

>Quoting Mark Presling <mark at presling.com>:
>
>  
>
>>Steve Campbell wrote:
>>    
>>
>>>Chris, and all,
>>>
>>>----- Original Message ----- From: "Mark Presling" <mark at presling.com>
>>>To: "MailScanner discussion" <mailscanner at lists.mailscanner.info>
>>>Sent: Thursday, June 29, 2006 6:58 AM
>>>Subject: Re: Users of RBL's
>>>
>>>
>>>      
>>>
>>>>Hi Chris,
>>>>
>>>>Have you checked the size of your bayes database files? I used to have a
>>>>1GB machine that SpamAssassin would regularly time out on because the
>>>>bayes DB would get too big from the auto learning. I had to tune it so
>>>>that the DB file would stay below 5MB or it just timed out scanning
>>>>larger messages. It also used up 100% of the CPU most of the time. I
>>>>used to manually expire old tokens from it as well, but that was before
>>>>MS started doing that automatically for me. Even on my newer server (2G
>>>>Pentium 4) I still restrict the size of the the bayes DB with
>>>>"bayes_expiry_max_db_size 400000". This seems to keep the DB at 
>>>>around 10MB.
>>>>        
>>>>
>>>I assume this should go into spam.assassins.prefs file? And do I just 
>>>add this line and the next expiry will whittle the file down or do I 
>>>have to do something to the files first?
>>>      
>>>
>>Yes that is correct. I am using MailScanner version 4.43.8 (~July 2005) 
>>and I put it at the end of /etc/MailScanner/spam.assassin.prefs.conf. I 
>>am in the process of preparing to upgrade to a newer version so can't 
>>confirm that this is still the correct approach. MailScanner 
>>automatically triggers the expiry, I don't have to do anything. Just 
>>make sure that MailScanner.conf contains something similar to this:
>>
>># If you are using the Bayesian statistics engine on a busy server,
>># you may well need to force a Bayesian database rebuild and expiry
>># at regular intervals. This is measures in seconds.
>># 1 day = 86400 seconds.
>># To disable this feature set this to 0.
>>Rebuild Bayes Every = 86400
>>    
>>
>
>Thanks,
>
>Already have that set. It just seemed that my 50+ MB file was a lot bigger than
>the 10MB mentioned, and I wanted to know if adding the additional setting would
>take care of pruning the next time the expiry occurred or if it would complain
>because of the size.
>
>I also stopped/started MS after adding the new setting.
>
>Steve
>  
>
>>    
>>
>>>Thanks for any input.
>>>
>>>Steve
>>>
>>>      
>>>
>>>>Mark
>>>>
>>>>Chris Hammond wrote:
>>>>        
>>>>
>>>>>>>>Sounds like you may just be asking too much of the hardware.
>>>>>>>>
>>>>>>>>                
>>>>>>>>
>>>>>>>This could very well be.  Before I go asking for a new server 
>>>>>>>though, I want to make sure I have my ducks in a row.
>>>>>>>When this was nothing more than a Postfix box with static rules, 
>>>>>>>it handled the job just fine.  But I think it may
>>>>>>>be really working for it's living.
>>>>>>>
>>>>>>>              
>>>>>>>
>>>>>>MailScanner and SpamAssassin do use a lot of resources. It looks to be
>>>>>>cpu bound, but that's a good thing usually! Any way to upgrade that
>>>>>>processor? To reduce CPU usage, tune/configure some software. Did you
>>>>>>read the performance tweaks section in the mailscanner wiki? To reduce
>>>>>>disk writes, setup syslog to log to another box, or put mysql on 
>>>>>>another
>>>>>>box, or throw another cheap ide drive into the box and log to it,
>>>>>>instead of the mirrored drives.
>>>>>>
>>>>>>            
>>>>>>
>>>>>I was beginning to feel the same way.  The DL-145 is a dual 
>>>>>processor capable box
>>>>>so I will see about adding a second processor to it.
>>>>>
>>>>>I did go through the tweaks section on the wiki.  My next thought 
>>>>>was moving MySQL to
>>>>>another machine.  There is no more room for another drive so that is 
>>>>>not an option
>>>>>unfortunately.  I am going to move the MySQL server to another box 
>>>>>tonight and see what
>>>>>that gains me.
>>>>>
>>>>>Thanks
>>>>>Chris
>>>>>
>>>>>-- 
>>>>>MailScanner mailing list
>>>>>mailscanner at lists.mailscanner.info
>>>>>http://lists.mailscanner.info/mailman/listinfo/mailscanner
>>>>>
>>>>>Before posting, read http://wiki.mailscanner.info/posting
>>>>>
>>>>>Support MailScanner development - buy the book off the website!
>>>>>
>>>>>
>>>>>          
>>>>>
>>>>-- 
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>>>>
>>>>
>>>>        
>>>>
>>>
>>>      
>>>
>>--------------------------------------------------------------------------------
>>
>>    
>>
>>>
>>>      
>>>
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>>>>mailscanner at lists.mailscanner.info
>>>>http://lists.mailscanner.info/mailman/listinfo/mailscanner
>>>>
>>>>Before posting, read http://wiki.mailscanner.info/posting
>>>>
>>>>Support MailScanner development - buy the book off the website!
>>>>
>>>>        
>>>>
>>>      
>>>
>>-- 
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>>
>>
>>    
>>
>
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