On 10.6.2010 19:10, Adam Moffett wrote: > These issues came up when I was trying to address performance problems, > I hope they aren't major RTFM items. > > 1) I used sa-compile as suggested by the FAQ and the CPU load dropped > *dramatically*. The question is do I have to run that every time I > sa-update or will it happen automatically?
Yes, every time. > > 2) I disabled the auto whitelist module, and got scan times down from > 200+ secs to ~40 secs. The AWL db file was over 2.5Gig. The FAQ > implies that I don't really need AWL, is this the general concensus? If > I keep using it, is there an easy automatic way to prune the AWL db for > old or seldom used entries. > You can add a timestamp into the awl table, if using SQL back end. I think the description to that is somewhere in SQL howto in wiki, or someone will post that later... > 3) I disabled Bayes and now scan times are down to 1 or 2 secs. That's > great, but I think bayes really helps so I'd rather keep it. The > bayes_toks db is 162MB...that seems like a pretty big db to scan for > every message. I know it does auto expire because I have a multitude of > bayes_toks.expire files ranging from 40-80MB in size. Can I tune what > gets expired to reduce the size of the db? Is there another solution? > We are definitely I/O bound when bayes is enabled because we have long > scan times but CPU usage stays in the 8-10% range. > If you have more than one spamd instance, a separate SQL db would be good. I use MySQL, while this still is basically a one user system. -- http://www.iki.fi/jarif/ I use PGP. If there is an incompatibility problem with your mail client, please contact me. You own a dog, but you can only feed a cat.
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