On Samstag, 26. Januar 2008 Paul J Stevens wrote: > with 100/s, what is your testing setup?
Ups, that should have been 100/minute... The other value is correct, anyway: 1000/second would be needed. The project would be for up to 20 mio. e-mails/24h on a bad day. But only the spam should walk into dbmail, which is about 50-90% of that traffic. As it is with spam, it comes in waves, so my estimation was for 1.000 spams/second peak rate. James Greig said they manage 2mio/24h, with a single Dell machine - the disk array info would be very interesting, and how the DB machine is loaded (load avg). 64 queries per inserted e-mail is indeed very hard. I can imagine using a reduced dbmail installation, without all the header cache information like dbmail_tofield, *fromfield, *replytofield etc., as only a webapp has access, which in turn is only there for a user to 1) login (AUTH from outside dbmail) 2) get a list of spams in box 3) should there be a HAM he wants he clicks on it and says "deliver this to me" 4) a big "delete all" button so it's really a very specialised form of dbmail. Paul, would that be "easily" possible, without having to patch around with every update of dbmail? With the reduced amount of tables, lots of queries, inserts and indizes should be saved, improving throughput a lot. Sounds like fun. I can imagine this could be a good reference for dbmail, and I also imagine there is some cash donation possible. For the moment, all this is "maybe", as I don't have the project confirmed, but I already look into several directions for "how to solve this". My other idea would be a cyrus mail server. mfg zmi -- // Michael Monnerie, Ing.BSc ----- http://it-management.at // Tel: 0676/846 914 666 .network.your.ideas. // PGP Key: "curl -s http://zmi.at/zmi.asc | gpg --import" // Fingerprint: AC19 F9D5 36ED CD8A EF38 500E CE14 91F7 1C12 09B4 // Keyserver: www.keyserver.net Key-ID: 1C1209B4
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