Thank you Tom, your suggestion was exactly what I needed.
Two tables in view "tpv" were being joined on a column with different
data types.
One was "text" and the other one was "varchar(10)". The 'old' system
did not complain.
The 'new' system does not allow this sloppyness on my part. When I
ubject: Re: [GENERAL] Performance differences 7.1 to 7.3
On the 'old' Red Hat AS 2.1 here is the results of explain and the
query:
[ ~]$ time /usr/bin/psql mpt -c"explain select count(*) from tpv;"
NOTICE: QUERY PLAN:
Aggregate (cost=4563.87..4563.87 rows=1 width=56)
- Nested Loop (
Jimmie H. Apsey [EMAIL PROTECTED] writes:
On the 'old' Red Hat AS 2.1 here is the results of explain and the query:
The major problem seems to be that the old system is using a nestloop
with inner indexscan on ada_code:
- Nested Loop (cost=870.92..4563.01 rows=342 width=56)
...
-Original Message-
From: Jimmie H. Apsey [mailto:[EMAIL PROTECTED]
Sent: Tuesday, December 14, 2004 1:18 PM
To: Dann Corbit
Cc: [EMAIL PROTECTED]
Subject: Re: [GENERAL] Performance differences 7.1 to 7.3
On the 'old' Red Hat AS 2.1 here is the results of explain and the
query
On Tue, 2004-12-14 at 16:50, Jimmie H. Apsey wrote:
I think my indexes are OK.
I have no settings for 'shared memory buffers' in postgresql.conf on
either system. Both systems have same, i.e.
#sort_mem = 512
#shared_buffers = 2*max_connections # min 16
#fsync = true
Do you, or any of
PROTECTED]
Subject: [GENERAL] Performance differences 7.1 to 7.3
Hello all,
I have just loaded Postgresql 7.3.6-7 onto a new server on the
recommendation of Tom Lane. It is part of Red Hat AS 3.
I have Postgresql 7.1.3-5 running on Red Hat AS 2.1.
I have a simple view from which I select on both
On Mon, 2004-12-13 at 17:43 -0500, Jimmie H. Apsey wrote:
Hello all,
I have just loaded Postgresql 7.3.6-7 onto a new server on the
recommendation of Tom Lane. It is part of Red Hat AS 3.
I have Postgresql 7.1.3-5 running on Red Hat AS 2.1.
I have a simple view from which I select on both
Hello all,
I have just loaded Postgresql 7.3.6-7 onto a new server on the
recommendation of Tom Lane. It is part of Red Hat AS 3.
I have Postgresql 7.1.3-5 running on Red Hat AS 2.1.
I have a simple view from which I select on both systems. The 7.3.6-7
version requires 18+ seconds to do a
:[EMAIL PROTECTED] On Behalf Of Jimmie H. Apsey
Sent: Monday, December 13, 2004 2:43 PM
To: [EMAIL PROTECTED]
Subject: [GENERAL] Performance differences 7.1 to 7.3
Hello all,
I have just loaded Postgresql 7.3.6-7 onto a new server on the
recommendation of Tom Lane. It is part of Red Hat AS 3.
I have
