Loren Wilton,
Thanks a lot for your good suggestions.
>> Are there any optimizing options for SA (I mean the performance)? if we
>want to run SA on our antispam system.
>> There are more than ten millions of messages coming into our system
>everyday.
>
>My. You'll need at least several SA machines to carry that load. And a
>boatload of memory on each. However, with a reasonable configuration for
>the expected load it shouldn't be that much of a problem.
>
>The things I can think of offhand:
>
>1. Probably turn off AWL so that you don't have to deal with the overhead
>of database updates.
>
>2. Turn off auto-update on Bayes and run your own update from a cron job.
>You will probably want to be running the updates almost continuously under
>that load, but you want to get the updates off of the normal mail path. You
>probably want to adjust the autolearn threshholds to make sure the database
>gets a good start in life. (You may want disable Bayes initially until you
>get a basis system working, then bring it online.)
>
>3. You will need lots of children and probably considerable tweaking
>initially to get things adjusted to carry your load and not go into
>threashing on the machines. Obviously you will need a way to distribute the
>incoming mail to multiple checking machines.
>
>4. You will want one or more local DNS caches for some of the network
>tests. You will probably want to sign up for rsync access on the major tet
>tests like SURBL.
>
>5. You will probably want more than the stock rules files. But with the
>load you will have you may need to be selective about which additional files
>you pick. Also, I think you may commonly get oriental-language mail that is
>valid, so you will have to check carefully for any false positives, and
>possibly adjust scores on some of the rules.
>
>6. There are people working on Japanese and Chinese spam rulesets. You
>may want to get in touch with them and see if their sets will help you.
>
>Those are all very general suggestions. I have no experience with those
>load levels, but some people here do. They should be able to offer more
>concrete advice.
>
> Loren
>
>.
