Re: Raw devices (was Re: Berkeley DB license)
От | Bruce Momjian |
---|---|
Тема | Re: Raw devices (was Re: Berkeley DB license) |
Дата | |
Msg-id | 200005201129.HAA15352@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: Raw devices (was Re: Berkeley DB license) ("Matthias Urlichs" <smurf@noris.net>) |
Список | pgsql-hackers |
> Hi, > > Alex Pilosov: > > The only (completely) real solution for this is to use raw devices, > > uncached by the kernel, without any filesystem overhead... > > > ...and with no OS caching _at_all_. > > > Are there any plans to support that? > > > IMHO it's interesting to note that even Oracle, which used to be one of > the "you gotta use a raw partition if you want any speed at all" guys, > has moved into the "use a normal partition or a regular file unless you > do things like sharing a RAID between two hosts" camp. Yes, we noticed that. We are glad we didn't waste time going in that direction. -- Bruce Momjian | http://www.op.net/~candle pgman@candle.pha.pa.us | (610) 853-3000+ If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania19026
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