Re: [PERFORM] [GENERAL] Query Optimisation

2003-07-15 Thread Stephan Szabo
[replying to -performance] On Tue, 15 Jul 2003 [EMAIL PROTECTED] wrote: > Hi, I have the following query - is there anything i've missed or is it > just slow?! The fact that it underestimates the number of matching message rows by a factor of about 4000 doesn't help. I'm not sure you're going t

Re: [PERFORM] Tunning FreeeBSD and PostgreSQL

2003-07-15 Thread Vivek Khera
> "SH" == Stephen Howie <[EMAIL PROTECTED]> writes: SH> Richard- SH> That was very helpfull Thanks! SH> I still would like some guidance on tunning FreeBSD (shmmax and shmmaxpgs). SH> Do I need to even touch these settings? Here's what I use on FreeBSD 4.7/4.8. The kernel settings don't hurt

Re: [PERFORM] Tunning FreeeBSD and PostgreSQL

2003-07-15 Thread Stephen Howie
Vivek, Thanks, for your reply. May I ask what you system setup is like (i.e. memory and such)? - Original Message - From: "Vivek Khera" <[EMAIL PROTECTED]> Newsgroups: ml.postgres.performance To: <[EMAIL PROTECTED]> Sent: Tuesday, July 15, 2003 11:44 AM Subject: Re: [PERFORM] Tunning Fr

Re: [PERFORM] Tunning FreeeBSD and PostgreSQL

2003-07-15 Thread Vivek Khera
> "SH" == Stephen Howie <[EMAIL PROTECTED]> writes: SH> Vivek, SH> Thanks, for your reply. May I ask what you system setup is like (i.e. SH> memory and such)? Current box is dual P3 1GHz and 2GB RAM. RAID0+1 on 4 disks. I'm about to order a bigger box, since I'm saturating the disk bandwi

Re: [PERFORM] max_fsm_pages question

2003-07-15 Thread Josh Berkus
Joe, > Regarding the document at > http://www.varlena.com/GeneralBits/Tidbits/perf.html#maxfsmp > > In section 3.3 you say max_fsm_pages should be set to the number of pages > that vacuum reports. Does that apply to table pages only or both table and > index pages? Because I'm finding my index p