Re: postgres is slow??
От | Darren Ferguson |
---|---|
Тема | Re: postgres is slow?? |
Дата | |
Msg-id | Pine.LNX.4.10.10201292040390.16712-100000@thread.crystalballinc.com обсуждение исходный текст |
Ответ на | postgres is slow?? (Cheirie Shum <cshum@cats.ucsc.edu>) |
Список | pgsql-general |
Could you show us the TCL script that you have written Thanks Darren On Tue, 29 Jan 2002, Cheirie Shum wrote: > Hi, I've written a little tcl program to test how many seconds it takes to > run an 'update' transaction and found that the running time increases by a > couple of seconds every time i run my script. > > My script does the following: > -connect to postgres > -updates a row and then updates it again with some other value > -iterate the update step above 200 times > -print the number of seconds that iteration took > -disconnect from postgres > > Results: So the first time, i get about 2 seconds, then 4, 6, 8... etc. > > So, each time that row gets updated, the longer the next update takes... > What is happening? What do i need to do so that postgres doesn't do this? > ... What do i need to do so that postgres always updates a row 200 times > in 2 seconds? > > Any help would be appreciated. > Please reply to: cshum@cats.ucsc.edu > > > > > ---------------------------(end of broadcast)--------------------------- > TIP 5: Have you checked our extensive FAQ? > > http://www.postgresql.org/users-lounge/docs/faq.html >
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