Re: Hardware/OS recommendations for large databases (
От
Brendan Duddridge
Тема
Re: Hardware/OS recommendations for large databases (
Дата
Msg-id
179B5137-F0BB-4037-A5AD-3459B914E580@clickspace.com
Ответ на
Re: Hardware/OS recommendations for large databases ( (Luke Lonergan)
Список
Дерево обсуждения
Re: Hardware/OS recommendations for large databases ( "Merlin Moncure" <merlin.moncure@rcsonline.com>
Re: Hardware/OS recommendations for large databases ( Mark Kirkwood <markir@paradise.net.nz>
Re: Hardware/OS recommendations for large databases ( "Luke Lonergan" <llonergan@greenplum.com>
Re: Hardware/OS recommendations for large databases ( Brendan Duddridge <brendan@clickspace.com>
Re: Hardware/OS recommendations for large databases ( David Lang <dlang@invendra.net>
Re: Hardware/OS recommendations for large databases ( Brendan Duddridge <brendan@clickspace.com>
Re: Hardware/OS recommendations for large databases ( David Boreham <david_list@boreham.org>
Re: Hardware/OS recommendations for large databases ( David Lang <dlang@invendra.net>
Forgive my ignorance, but what is MPP? Is that part of Bizgres? Is it possible to upgrade from Postgres 8.1 to Bizgres? Thanks, ____________________________________________________________________ Brendan Duddridge | CTO | 403-277-5591 x24 | brendan@clickspace.com ClickSpace Interactive Inc. Suite L100, 239 - 10th Ave. SE Calgary, AB T2G 0V9 http://www.clickspace.com On Nov 28, 2005, at 3:05 PM, Luke Lonergan wrote: > Mark, > > On 11/28/05 1:45 PM, "Mark Kirkwood" wrote: > >>>> 8.0 : 32 s >>>> 8.1 : 25 s > > A 22% reduction. > > select count(1) on 12,900MB = 1617125 pages fully cached: > > MPP based on 8.0 : 6.06s > MPP based on 8.1 : 4.45s > > A 26% reduction. > > I'll take it! > > I am looking to back-port Tom's pre-8.2 changes and test again, maybe > tonight. > > - Luke > > > > ---------------------------(end of > broadcast)--------------------------- > TIP 5: don't forget to increase your free space map settings >
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