Re: [PERFORM] Partitioned table performance

2004-12-21 Thread Stacy White
The discussion seems to have diverged a little, so I don't feel too bad about making some semi-off-topic comments. From: "Greg Stark" <[EMAIL PROTECTED]> > Like I said though, we found "global indexes" defeated the whole purpose. First semi-off-topic comment: I think this depends on the index, th

Re: [PERFORM] Partitioned table performance

2004-12-21 Thread Jim C. Nasby
On Wed, Dec 15, 2004 at 11:56:40AM -0800, Josh Berkus wrote: > Greg, > > > Well Oracle has lots of partitioning intelligence pushed up to the planner > > to avoid overhead. > > > > If you have a query with something like "WHERE date = '2004-01-01'" and > > date is your partition key (even if it's

Re: [PERFORM] Partitioned table performance

2004-12-21 Thread Jim C. Nasby
Sorry for the late reply, so I included the whole thread. Should this be a TODO? On Wed, Dec 15, 2004 at 08:30:08PM -0500, Tom Lane wrote: > Greg Stark <[EMAIL PROTECTED]> writes: > > But I'm a bit puzzled. Why would Append have any significant cost? It's just > > taking the tuples from one plan n

Re: [PERFORM] Tips for a system with _extremely_ slow IO?

2004-12-21 Thread Merlin Moncure
> > A demo I've set up for sales seems to be spending much of it's time in > > disk wait states. > > > > > > The particular system I'm working with is: > > Ext3 on Debian inside Microsoft VirtualPC on NTFS > > on WindowsXP on laptops of our sales team. > > As this is only for demo purposes

Re: [PERFORM] Tips for a system with _extremely_ slow IO?

2004-12-21 Thread Ragnar Hafstaư
On Fri, 2004-12-17 at 23:51 -0800, Ron Mayer wrote: > Any advice for settings for extremely IO constrained systems? > > A demo I've set up for sales seems to be spending much of it's time in > disk wait states. > > > The particular system I'm working with is: > Ext3 on Debian inside Microso

Re: [PERFORM] Tips for a system with _extremely_ slow IO?

2004-12-21 Thread Steve Atkins
On Fri, Dec 17, 2004 at 11:51:12PM -0800, Ron Mayer wrote: > Any advice for settings for extremely IO constrained systems? > > A demo I've set up for sales seems to be spending much of it's time in > disk wait states. > > > The particular system I'm working with is: >Ext3 on Debian inside M

Re: [PERFORM] Postgres on Linux Cluster!

2004-12-21 Thread Richard Huxton
Gurpreet Sachdeva wrote: I have recently transfered a big database on my master node of a 4 node openSSI Cluster... The system is working fine but sometimes, I get following errors: http://192.168.1.100/cgi-bin/search.py File "/usr/lib/python2.2/site-packages/pyPgSQL/PgSQL.py", line 3067, in execut