Re: [PERFORM] Is postgresql ca do the job for software deployed in ASP

2006-07-04 Thread David Gagnon
into them in detail trying to understand something ... Thanks for your help! Best Regards /David -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of David Gagnon Sent: den 3 juli 2006 13:42 To: pgsql-performance@postgresql.org Subject: [PERFORM

Re: [PERFORM] Is postgresql ca do the job for software deployed in ASP

2006-07-04 Thread David Gagnon
and there is not a lot of info... :-( Any Idea? So thanks for the info about the DL385 I will look deeply into it ! Best Regards /David /Mikael -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of David Gagnon Sent: den 3 juli 2006 13:42 To: pgsql-performance

[PERFORM] Is postgresql ca do the job for software deployed in ASP ou SaaS mode?

2006-07-03 Thread David Gagnon
Hi all, I've been working on my personal project for 3.5 years now. I developed an ERP system in web/java. Now the people I will work with suggest to offers it in Saas mode. Which means my customer will connect to my website and found they ERP software and data there. It's not the

[PERFORM] Please help with this explain analyse...

2005-11-28 Thread David Gagnon
Hi all, I don't understand why this request take so long. Maybe I read the analyse correctly but It seem that the first line(Nested Loop Left Join ...) take all the time. But I don't understand where the performance problem is ??? All the time is passed in the first line ... Thanks for

[PERFORM] Why the planner is not using the INDEX .

2005-07-04 Thread David Gagnon
Hi all, If you can just help my understanding the choice of the planner. Here is the Query: explain analyse SELECT IRNUM FROM IR INNER JOIN IT ON IT.ITIRNUM = ANY ('{1000, 2000}') AND IT.ITYPNUM = 'M' AND IR.IRYPNUM = IT.ITYPNUM AND IR.IRNUM = IT.ITIRNUM WHERE IRNUM = ANY ('{1000,

Re: [PERFORM] Performance problem on delete from for 10k rows. May

2005-03-16 Thread David Gagnon
; DELETE FROM BD; DELETE FROM BO; DELETE FROM IL; DELETE FROM YR; DELETE FROM YN; DELETE FROM YO; DELETE FROM IY; DELETE FROM IA; DELETE FROM IQ; DELETE FROM IC; Michael Fuhr wrote: On Tue, Mar 15, 2005 at 04:24:17PM -0500, David Gagnon wrote: Il get this strange problem when deleting rows from

Re: [PERFORM] Performance problem on delete from for 10k rows. May

2005-03-16 Thread David Gagnon
Hi I rerun the example with the debug info turned on in postgresl. As you can see all dependent tables (that as foreign key on table IC) are emptied before the DELETE FROM IC statement is issued. For what I understand the performance problem seem to came from those selects that point back to

Re: [PERFORM] Performance problem on delete from for 10k rows. May

2005-03-16 Thread David Gagnon
Stephan Szabo wrote: On Wed, 16 Mar 2005, David Gagnon wrote: Hi I rerun the example with the debug info turned on in postgresl. As you can see all dependent tables (that as foreign key on table IC) are emptied before the DELETE FROM IC statement is issued. For what I understand

[PERFORM] Performance problem on delete from for 10k rows. May takes 20 minutes through JDBC interface

2005-03-15 Thread David Gagnon
Hi all, Il get this strange problem when deleting rows from a Java program. Sometime (For what I noticed it's not all the time) the server take almost forever to delete rows from table. Here It takes 20 minutes to delete the IC table. Java logs: INFO [Thread-386] (Dao.java:227) 2005-03-15