Re: [PERFORM] Quad processor options
От | Bjoern Metzdorf |
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Тема | Re: [PERFORM] Quad processor options |
Дата | |
Msg-id | 40A14170.7000201@turtle-entertainment.de обсуждение исходный текст |
Ответ на | Re: [PERFORM] Quad processor options ("scott.marlowe" <scott.marlowe@ihs.com>) |
Ответы |
Re: [PERFORM] Quad processor options
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Список | pgsql-admin |
scott.marlowe wrote: >>Next drives I'll buy will certainly be 15k scsi drives. > > Better to buy more 10k drives than fewer 15k drives. Other than slightly > faster select times, the 15ks aren't really any faster. Good to know. I'll remember that. >>In peak times we can get up to 700-800 connections at the same time. >>There are quite some updates involved, without having exact numbers I'll >>think that we have about 70% selects and 30% updates/inserts. > > Wow, a lot of writes then. Yes, it certainly could also be only 15-20% updates/inserts, but this is also not negligible. > Sure, adaptec makes one, so does lsi megaraid. Dell resells both of > these, the PERC3DI and the PERC3DC are adaptec, then lsi in that order, I > believe. We run the lsi megaraid with 64 megs battery backed cache. The LSI sounds good. > Intel also makes one, but I've heard nothing about it. It could well be the ICP Vortex one, ICP was bought by Intel some time ago.. > I haven't directly tested anything but the adaptec and the lsi megaraid. > Here at work we've had massive issues trying to get the adaptec cards > configured and installed on, while the megaraid was a snap. Installed RH, > installed the dkms rpm, installed the dkms enabled megaraid driver and > rebooted. Literally, that's all it took. I didn't hear anything about dkms for debian, so I will be hand-patching as usual :) Regards, Bjoern
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