Re: [PERFORM] Got that new server, now it's time for config!

2010-03-23 Thread Scott Mead
On Tue, Mar 23, 2010 at 12:12 AM, Greg Smith wrote: > Carlo Stonebanks wrote: > >> So, we have the hardware, we have the O/S - but I think our config leaves >> much to be desired. Typically, our planner makes nad decisions, picking seq >> scan over index scan, where index scan has a better result

Re: [PERFORM] Got that new server, now it's time for config!

2010-03-22 Thread Greg Smith
Carlo Stonebanks wrote: So, we have the hardware, we have the O/S - but I think our config leaves much to be desired. Typically, our planner makes nad decisions, picking seq scan over index scan, where index scan has a better result. You're not setting effective_cache_size, so I wouldn't exp

Re: [PERFORM] Got that new server, now it's time for config!

2010-03-22 Thread Dan Harris
On 3/22/10 4:36 PM, Carlo Stonebanks wrote: Here we go again! Can anyone see any obvious faults? Carlo maintenance_work_mem = 256MB I'm not sure how large your individual tables are, but you might want to bump this value up to get faster vacuums. max_fsm_relations = 1000 I think this will d

[PERFORM] Got that new server, now it's time for config!

2010-03-22 Thread Carlo Stonebanks
Here we go again! Based on recommendations made here, I got my client to migrate off of our Windows 2003 Server x64 box to a new Linux box. # CENTOS 5.4 # Linux mdx_octo 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009 x86_64 x86_64 x86_64 GNU/Linux # pgsql 8.3.10, 8 CPUs, 48GB RAM # RAID 1