On Tuesday 26 August 2003 14:42, JM wrote:
> need input on parameter values on confs...
> our database is getting 1000 transactions/sec on peak periods..
> sitting on RH 7.3
> 2.4.7-10smp
> RAM: 1028400
> SWAP: 2040244
> queries are just simple select statements based on timestamps, varchars...
> less on joins... on a 300K rows..

Assuming you're getting good query plans (check the output of EXPLAIN 

Start by checking the output of vmstat/iostat during busy periods - this will 
tell you whether CPU/IO/RAM is the bottleneck.

There is a good starter for tuning PG at:

Assuming your rows aren't too wide, they're probably mostly cached by Linux, 
so you probably don't want to overdo the shared buffers/sort memory and make 
sure the effective cache size is accurate.
  Richard Huxton
  Archonet Ltd

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