Re: [PERFORM] Need help to decide Mysql vs Postgres

2005-06-05 Thread Bill Ewing
A consultant did a project for us and chose MySQL. We thought it was cool that MySQL was free. Turns out, MySQL costs over $500 (USD) if you are a commercial organization like us! Even worse, we have to formally transfer licenses to customers and any further transfers must include involvement

Re: [PERFORM] How to avoid database bloat

2005-06-05 Thread matthew
Mindaugas Riauba [EMAIL PROTECTED] writes: And what in vacuum verbose output suggests that vacuum is not done often enough? Current output (table is 100MB already) is below. The output shows vacuum cleaning up about a third of the table. Usually people like to keep the overhead down to

Re: [PERFORM] Forcing use of specific index

2005-06-05 Thread Qingqing Zhou
Tobias Brox [EMAIL PROTECTED] writes Is it any way to attempt to force the planner to use some specific index while creating the plan? Other than eventually dropping all the other indices (which is obiously not a solution in production setting anyway)? I don't think currently PG supports

Re: [PERFORM] How to avoid database bloat

2005-06-05 Thread stig erikson
Mindaugas Riauba wrote: Hello, Our database increases in size 2.5 times during the day. What to do to avoid this? Autovacuum running with quite aggressive settings, FSM settings are high enough. Database size should be more or less constant but it has high turnover rate (100+

[PERFORM] Most effective tuning choices for busy website?

2005-06-05 Thread Mark Stosberg
Hello, I'm the fellow who was interviewed in the fall about using PostgreSQL on 1-800-Save-A-Pet.com: http://techdocs.postgresql.org/techdocs/interview-stosberg.php The site traffic continues to grow, and we are now seeing parts of the day where the CPU load (according to MRTG graphs) on the

[PERFORM] Performance nightmare with dspam (urgent)

2005-06-05 Thread Casey Allen Shobe
We've seen PostgreSQL performance as a dspam database be simply stellar on some machines with absolutely no tuning to the postgres.conf, and no statistics target altering. Some months ago, I moved my domains from a crusty old generic PIII 733 to a brand new Athlon 3000+ server that I was

Re: [PERFORM] BUG #1697: Select getting slower on continously updating data

2005-06-05 Thread Bahadur Singh
--- Bruno Wolff III [EMAIL PROTECTED] wrote: This does not belong on the pgsql-bugs list. The pgsql-novice or pgsql-performance lists seem more appropiate. I have set followups to the pgsql-novice list. On Thu, Jun 02, 2005 at 12:05:00 +0100, Bahadur Singh [EMAIL PROTECTED] wrote:

[PERFORM] SELECT DISTINCT Performance Issue

2005-06-05 Thread K C Lau
Hi All, We are testing PostgreSQL 8.0.3 on MS Windows for porting an OLTP system from MS SqlServer. We got a major performance issue which seems to boil down to the following type of query: select DISTINCT ON (PlayerID) PlayerID,AtDate from Player where PlayerID='0' order by PlayerID

Re: [PERFORM] Need help to decide Mysql vs Postgres

2005-06-05 Thread Christopher Kings-Lynne
So, our problem in installing is we don't know a cluster or SSL from a hole in the ground. Things get confusing about contexts- are we talking about a user of the system or the database? Yikes, do I need to write down the 30+ character autogenerated password? No you don't need to write it

Re: [PERFORM] Most effective tuning choices for busy website?

2005-06-05 Thread Neil Conway
Mark Stosberg wrote: I've used PQA to analyze my queries and happy overall with how they are running. About 55% of the query time is going to variations of the pet searching query, which seems like where it should be going. The query is frequent and complex. It has already been combed over for