Re: [PERFORM] A Better External Sort?
От | Josh Berkus |
---|---|
Тема | Re: [PERFORM] A Better External Sort? |
Дата | |
Msg-id | 200510031416.15620.josh@agliodbs.com обсуждение исходный текст |
Ответ на | Re: [PERFORM] A Better External Sort? ("Jeffrey W. Baker" <jwbaker@acm.org>) |
Ответы |
Re: [PERFORM] A Better External Sort?
Re: [PERFORM] A Better External Sort? Re: [PERFORM] A Better External Sort? |
Список | pgsql-hackers |
Jeff, > > Nope, LOTS of testing, at OSDL, GreenPlum and Sun. For comparison, A > > Big-Name Proprietary Database doesn't get much more than that either. > > I find this claim very suspicious. I get single-threaded reads in > excess of 1GB/sec with XFS and > 250MB/sec with ext3. Database reads? Or raw FS reads? It's not the same thing. Also, we're talking *write speed* here, not read speed. I also find *your* claim suspicious, since there's no way XFS is 300% faster than ext3 for the *general* case. -- Josh Berkus Aglio Database Solutions San Francisco
В списке pgsql-hackers по дате отправления: