70k mqueue.in but load under 1 ??

Richard Frovarp Richard.Frovarp at sendit.nodak.edu
Tue Nov 28 19:20:09 GMT 2006

Scott Silva wrote:
> Richard Frovarp spake the following on 11/28/2006 8:54 AM:
>> Tony Johansson wrote:
>>> I've added sbl-xbl.spamhaus.org, dnsbl.sorbs.net and relays.ordb.org
>>> at the MTA level as well as upped greet_pause to 10 seconds.
>>> The queue problem is now gone (for the moment) but I still dont get
>>> how a mailscanner installation could drop to under 1 in load and just
>>> sit there watching the queue build.
>>> Would it be possible do define some dynamic variables? Load under 1,
>>> queue over 1k - start another mailscanner child (or whatever appropriate)
>>> Regards, Tony
>> If the queue is still building up, something is most likely timing out.
>> Are you running Pyzor, Razor, or DCC? Using any odd URIBLs or DNSBLs
>> that could be timing out? Several months ago Pyzor timed out (10 seconds
>> per message) on me for a while, that really hurt performance. Do a lint
>> or debug and see if anything hangs for a noticeable time period as Glenn
>> suggested.
> Pyzor times out quite regularly as the Pyzor server seems to have trouble
> keeping up with the load. There is a thread about an alternate server, but I
> suppose that as more people find out about that one it will start to timeout also.

I have since switched to Razor and have not had an issue. 10 seconds per 
message for a timeout can be brutal at 200K messages/day (our volume at 
time which of course has increased). The timeout can be changed in the 
configuration as well.

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