On Fri, Oct 9, 2009 at 3:11 AM, Shiva Raman <raman.shivag@xxxxxxxxx> wrote: > Dear all > with reference to the discussions and valuable suggestions i got from the > list, the code has been reviewed and updated with explicit commit . There is > a good improvement in performance .I am also planning to upgrade the > database from 8.1 to 8.3 /8.4 . > My current OS is SLES 10 SP3 default ships with postgresql 8.1 . > The latest version of SLES 11 ships with postgresql 8.3 version. > I will be upgrading the Postgersql on my SLES 10 SP3 for PPC only. > I have not seen any prebuilt RPMS of Postgresql 8.3 or 8.4 version for SLES > 10 PPC architecture . > When I tried to build the PPC RPM from Source in the PowerPC, it shows lot > of dependancies. > I have decided to install from source - Postgres 8.3 / Postgresql-8.4. > tar.gz . > > Is there any major changes/updates in my 8.1 database i have to take care > while upgrading to postgresql 8.3/ 8.4 ? Is 8.3 or 8.4 the right version > to upgrade from 8.1 ? > > Please let me know your suggestions. The 'big picture' issues: *) Test your postgresql.conf first. Some settings have changed or have been removed (like fsm). *) Many implicit casts to text were removed. Essentially the server is less tolerant of sql that many would consider buggy *) autovacuum is now on by default and, most importantly: *) sit back and enjoy the speed :-) regarding 8.3/8.4, it's a tough call. 8.4 has a better chance of being supported by in place upgrade in the future, so i'd start there. merlin -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance