Re: Data Warehouse Reevaluation - MySQL vs Postgres --
От | Michael Kleiser |
---|---|
Тема | Re: Data Warehouse Reevaluation - MySQL vs Postgres -- |
Дата | |
Msg-id | 4146FEC6.2040007@webde-ag.de обсуждение исходный текст |
Ответ на | Re: Data Warehouse Reevaluation - MySQL vs Postgres -- ("Leeuw van der, Tim" <tim.leeuwvander@nl.unisys.com>) |
Список | pgsql-performance |
What MySQl-table-type did you use? Was it "MyISAM" which don't supports transactions ? Yes I read about that bulk-inserts with this table-type are very fast. In Data Warehouse one often don't need transactions. Leeuw van der, Tim schrieb: > > -----Original Message----- > From: pgsql-performance-owner@postgresql.org > [mailto:pgsql-performance-owner@postgresql.org]On Behalf Of Steinar H. > Gunderson > Sent: Tuesday, September 14, 2004 3:33 PM > To: PostgreSQL Performance List > Subject: Re: [PERFORM] Data Warehouse Reevaluation - MySQL vs Postgres -- > > > > On Tue, Sep 14, 2004 at 02:42:20PM +0200, Leeuw van der, Tim wrote: > > > - PostgreSQL 7.3 running on CYGWIN with cygipc daemon > > > > Isn't this doomed to kill your performance anyhow? > > Yes and no, therefore I mentioned it explicitly as one of the caveats. > When doing selects I could get performance very comparable to MySQL, so > I don't want to blame poor insert-performance on cygwin/cygipc per se. > I'm not working on this app. anymore and don't have a working > test-environment for it anymore so I cannot retest now with more recent > versions. > > regards, > > --Tim > > > > > /* Steinar */ > > -- > > Homepage: http://www.sesse.net/ > > > > ---------------------------(end of broadcast)--------------------------- > TIP 8: explain analyze is your friend > > ---------------------------(end of broadcast)--------------------------- > TIP 2: you can get off all lists at once with the unregister command > (send "unregister YourEmailAddressHere" to majordomo@postgresql.org) >
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