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 ANALYSE)... 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: http://www.varlena.com/varlena/GeneralBits/Tidbits/index.php 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 ---------------------------(end of broadcast)--------------------------- TIP 7: don't forget to increase your free space map settings
