Re: [PERFORM] Slow insert performace, 8.3 Wal related?

2009-01-15 Thread Bill Preston
Rusty Scott Marlowe wrote: On Thu, Jan 15, 2009 at 2:55 PM, Bill Preston wrote: Nothing special about that table. One index. It really seems that the system would grind to a stand-still when a lot of non-transaction inserts were run combined with the creation of some large temp tables. Sin

Re: [PERFORM] Slow insert performace, 8.3 Wal related?

2009-01-15 Thread Bill Preston
nicely. The suggestions here really helped. Does anyone know of some established postgresql consultants that can be hired for emergency analysis/tuning when things come up? Rusty Alan Hodgson wrote: On Monday 12 January 2009, Bill Preston wrote: As to the second example with the delete. There

Re: [PERFORM] Slow insert performace, 8.3 Wal related?

2009-01-12 Thread Bill Preston
nuary 2009, Bill Preston wrote: I had a data load that I was doing with 8.1. It involved about 250k sql statements that were inserts into a table with just one index. The index has two fields. With the upgrade to 8.3 that process started taking all night and 1/2 a day. It inserted at the r

[PERFORM] Slow insert performace, 8.3 Wal related?

2009-01-12 Thread Bill Preston
Hi Group. Recently upgraded from 8.1 to 8.3 on RHEL 5 64-bit. I've noticed some performance problems that I am guessing are WAL related based on my browsing around and wondered if someone had some suggestions for tuning the WAL settings. It could also help if someone just laughed at me and tol