Re: [PERFORM] Slow updates, poor IO

2008-09-27 Thread Scott Marlowe
On Fri, Sep 26, 2008 at 5:03 PM, John Huttley <[EMAIL PROTECTED]> wrote: > Hi Andrew, > There are two problems. > The first is the that if there is a table with a index and an update is > performed on a non indexed field, > the index is still re indexed. I assume you mean updated, not reindexed, a

Re: [PERFORM] Slow updates, poor IO

2008-09-27 Thread Greg Smith
On Sat, 27 Sep 2008, John Huttley wrote: I've got 32M shared on a 1G machine and 16 checkpoint segments. I'll run some tests against 64 segments and see what happens. Increase shared_buffers to 256MB as well. That combination should give you much better performance with the type of update yo