[PERFORM] Problems with PostGreSQL and Windows 2003

2007-11-23 Thread claudia . amorim
Hello, I'm having serious peformance problems with PostGreSQL and Windows Server 2003 Enterprise Edition. The PostgreSQL Server don't starts if I set the shared buffers high than 1GB. All my programs can use only 3 GB of RAM and I have 8GB of RAM. When I try to execute a query in a table about 4

Re: [PERFORM] Performance problem with UNION ALL view and domains

2007-11-23 Thread Tom Lane
"Jeff Larsen" <[EMAIL PROTECTED]> writes: > On Nov 23, 2007 7:29 AM, Dean Rasheed <[EMAIL PROTECTED]> wrote: >> I am having a performance problem trying to query a view which is a >> UNION ALL of 2 tables. I have narrowed the problem down to my use of >> DOMAINS in the underlying table. > In my ca

Re: [PERFORM] Performance problem with UNION ALL view and domains

2007-11-23 Thread Jeff Larsen
On Nov 23, 2007 7:29 AM, Dean Rasheed <[EMAIL PROTECTED]> wrote: > I am having a performance problem trying to query a view which is a > UNION ALL of 2 tables. I have narrowed the problem down to my use of > DOMAINS in the underlying table. So in the test-case below, when the > column "a" is of dom

[PERFORM] Performance problem with UNION ALL view and domains

2007-11-23 Thread Dean Rasheed
Hi, I am having a performance problem trying to query a view which is a UNION ALL of 2 tables. I have narrowed the problem down to my use of DOMAINS in the underlying table. So in the test-case below, when the column "a" is of domain type foo_text, the query runs slowly using the following plan: