Re: [PERFORM] Where to start for performance problem?

2003-11-25 Thread Tom Lane
MK Spam <[EMAIL PROTECTED]> wrote: > ... the problem we are having is gradually degrading > performance ending in postgres shutting down. As someone else commented, that's not an ordinary sort of performance problem. What exactly happens when the database "shuts down"? re

Re: [PERFORM] Where to start for performance problem?

2003-11-25 Thread Bruno Wolff III
On Mon, Nov 24, 2003 at 16:03:17 -0600, MK Spam <[EMAIL PROTECTED]> wrote: > > The archives of this list provides many ideas for improving performance, but the > problem we are having is gradually degrading performance ending in postgres shutting > down. So it's not a matter of optimizing a c

Re: [PERFORM] Where to start for performance problem?

2003-11-25 Thread Rob Fielding
The problems with giving suggestions about increasing performance is that one persons increase is another persons decrease. having said that, there are a few general suggestions : Set-up some shared memory, about a tenth of your available RAM, and configure shared_memory and max_clients correct

Re: [PERFORM] Where to start for performance problem?

2003-11-24 Thread Christopher Kings-Lynne
Nid wrote: I've been digging around in the code and found where we are executing the VACUUM command. VACUUM ANALYZE is executed every 15 minutes. We haven't tried VACUUM FULL ANALYZE. I think I read that using FULL is a good idea once a day or something. Just doing a VACUUM ANALYZE doesn't see

Re: [PERFORM] Where to start for performance problem?

2003-11-24 Thread Nid
27;t seem to be preventing our problem. Thank you for the responses. nid - Original Message - From: "Christopher Kings-Lynne" <[EMAIL PROTECTED]> To: "MK Spam" <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]> Sent: Monday, November 24, 2003 7:13 PM Subject:

Re: [PERFORM] Where to start for performance problem?

2003-11-24 Thread Christopher Kings-Lynne
The archives of this list provides many ideas for improving performance, but the problem we are having is gradually degrading performance ending in postgres shutting down. So it's not a matter of optimizing a complex query to take 5 seconds instead of 60 seconds. >From what I can tell we are

Re: [PERFORM] Where to start for performance problem?

2003-11-24 Thread Nid
] Where to start for performance problem? I've scanned some of the archives and have learned a lot about different performance tuning practices.  I will be looking into using many of these ideas but I'm not sure they address the issue I am currently experiencing.   Fir

[PERFORM] Where to start for performance problem?

2003-11-24 Thread MK Spam
I've scanned some of the archives and have learned a lot about different performance tuning practices.  I will be looking into using many of these ideas but I'm not sure they address the issue I am currently experiencing.   First, I'm a total newb with postgresql.  Like many before me, I hav