[GENERAL] Slow PG after upgrade to 8.2.9!!

2008-08-28 Thread Phoenix Kiula
I hope someone can urgently help. I was running 8.2.3 with a lot of pleasure and no-nonsense. Very fast and delightful database that had me singing paeans. But I upgraded to 8.2.9 this morning and have had a major slowdown of the DB processes. How do I begin to test what is going wrong? I

Re: [GENERAL] Slow PG after upgrade to 8.2.9!!

2008-08-28 Thread Phoenix Kiula
On 8/28/08, Phoenix Kiula [EMAIL PROTECTED] wrote: I hope someone can urgently help. I was running 8.2.3 with a lot of pleasure and no-nonsense. Very fast and delightful database that had me singing paeans. But I upgraded to 8.2.9 this morning and have had a major slowdown of the DB

Re: [GENERAL] Slow PG after upgrade to 8.2.9!!

2008-08-28 Thread Andreas Kretschmer
Phoenix Kiula [EMAIL PROTECTED] schrieb: I hope someone can urgently help. I was running 8.2.3 with a lot of pleasure and no-nonsense. Very fast and delightful database that had me singing paeans. But I upgraded to 8.2.9 this morning and have had a major slowdown of the DB processes. How

Re: [GENERAL] Slow PG after upgrade to 8.2.9!!

2008-08-28 Thread Phoenix Kiula
On 8/28/08, Andreas Kretschmer [EMAIL PROTECTED] wrote: Please show us a EXPLAIN ANALYSE for this query. Btw, why random_page_cost=2? (your other post) The EXPLAIN ANALYZE shows that it's using an INDEX and getting one row! So I know the SQL is right. Could it be that the SQL queries become

Re: [GENERAL] Slow PG after upgrade to 8.2.9!!

2008-08-28 Thread Devrim GÜNDÜZ
On Thu, 2008-08-28 at 15:23 +0800, Phoenix Kiula wrote: But I upgraded to 8.2.9 this morning and have had a major slowdown of the DB processes. How do I begin to test what is going wrong? After restart, OS and PostgreSQL caches are cleaned up -- it might also slow down PostgreSQL a bit.

Re: [GENERAL] Slow PG after upgrade to 8.2.9!!

2008-08-28 Thread Andrew Sullivan
On Thu, Aug 28, 2008 at 02:44:08PM +0300, Devrim GÜNDÜZ wrote: After restart, OS and PostgreSQL caches are cleaned up -- it might also slow down PostgreSQL a bit. I'll bet this is the right answer -- before, you were mostly getting things out of cache (memory), and right now everything has to