Re: 8.4.1 ubuntu karmic slow createdb
Andres Freund <andres@anarazel.de>
From: Andres Freund <andres@anarazel.de>
To: pgsql-performance@postgresql.org
Cc: Michael Clemmons <glassresistor@gmail.com>
Date: 2009-12-10T22:09:03Z
Lists: pgsql-hackers, pgsql-performance
Hi, On Thursday 10 December 2009 23:01:08 Michael Clemmons wrote: > Im not sure what that means ppl in my office with slower hd speeds using > 8.4 can create a db in 2s vs my 8-12s. - Possibly their config is different - they could have disabled the "fsync" parameter which turns the database to be not crashsafe anymore but much faster in some circumstances. - Possibly you have much data in your template1 database? You could check whether CREATE DATABASE speedtest TEMPLATE template1; takes more time than CREATE DATABASE speedtest TEMPLATE template0;. You should issue both multiple times to ensure caching on the template database doesnt play a role. > Could using md5 instead of ident do it? Seems unlikely. Is starting psql near-instantaneus? Are you using "createdb" or are you issuing "CREATE DATABASE ..."? Andres