And obviously make sure you're vacuuming frequently. On Mon, Oct 04, 2004 at 10:38:14AM -0700, Josh Berkus wrote: > Steve, > > > I'm used to performance tuning on a select-heavy database, but this > > will have a very different impact on the system. Does anyone have any > > experience with an update heavy system, and have any performance hints > > or hardware suggestions? > > Minimal/no indexes on the table(s). Raise checkpoint_segments and consider > using commit_siblings/commit_delay if it's a multi-stream application. > Figure out ways to do inserts instead of updates where possible, and COPY > instead of insert, where possible. Put your WAL on its own disk resource. > > I'm a little curious as to what kind of app would be 95% writes. A log? > > -- > Josh Berkus > Aglio Database Solutions > San Francisco > > ---------------------------(end of broadcast)--------------------------- > TIP 2: you can get off all lists at once with the unregister command > (send "unregister YourEmailAddressHere" to [EMAIL PROTECTED]) >
-- Jim C. Nasby, Database Consultant [EMAIL PROTECTED] Give your computer some brain candy! www.distributed.net Team #1828 Windows: "Where do you want to go today?" Linux: "Where do you want to go tomorrow?" FreeBSD: "Are you guys coming, or what?" ---------------------------(end of broadcast)--------------------------- TIP 9: the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match