Re: [PERFORM] Configuring PostgreSQL to minimize impact of checkpoints

2004-05-12 Thread jao
Quoting Vivek Khera <[EMAIL PROTECTED]>: > > "TL" == Tom Lane <[EMAIL PROTECTED]> writes: > > TL> Jack Orenstein <[EMAIL PROTECTED]> writes: > >> I'm looking at one case in which two successive transactions, each > >> updating a handful of records, take 26 and 18 *seconds* (not msec) to > >>

Re: [PERFORM] Configuring PostgreSQL to minimize impact of checkpoints

2004-05-11 Thread jao
Quoting Rob Fielding <[EMAIL PROTECTED]>: > Assuming you're running with optimal schema and index design (ie you're > not doing extra work unnecessarily), and your backend has > better-then-default config options set-up (plenty of tips around here), > then disk arrangement is critical to smooth

[PERFORM] Configuring PostgreSQL to minimize impact of checkpoints

2004-05-10 Thread jao
My company is developing a PostgreSQL application. We're using 7.3.4 but will soon upgrade to 7.4.x. Our OS is RedHat 9. Our production machines have 512 MB RAM and IDE disks. So far we've been using default configuration settings, but I have started to examine performance and to modify these sett