Re: [PERFORM] Benchmarck PostgreSQL 8.1.4 MySQL 5.0.20 and Oracle 10g2

2006-05-19 Thread Olivier Andreotti
Hello everybody ! Thanks for all the advices, iI will try all theses new values, and i'll post my final values on this thread. About the benchmark and the results, i dont know if can publish values about Oracle performance ? For MySQL and PostgreSQL, i think there is no problems. Just a last qu

Re: [PERFORM] Benchmarck PostgreSQL 8.1.4 MySQL 5.0.20 and Oracle 10g2

2006-05-18 Thread Olivier Andreotti
Do you use prepared statements through JDBC with bound variables? If yes, you might have problems with PostgreSQL not choosing optimal plans because every statement is planned "generically" which may force PostgreSQL not to use indexes. i used prepared statements for the 3 databases. > share

Re: [PERFORM] Benchmarck PostgreSQL 8.1.4 MySQL 5.0.20 and Oracle

2006-05-18 Thread Olivier Andreotti
2006/5/18, Chris Mair <[EMAIL PROTECTED]>: Hello :) Hello Chris What version would PostgreSQL 8.1.4 be? Hum, ok, it is the 8.1.3 version :) Could you give us some more infos about the box' performance while you run the PG benchmark? A few minutes output of "vmstat 10" maybe? What does "

[PERFORM] Benchmarck PostgreSQL 8.1.4 MySQL 5.0.20 and Oracle 10g2

2006-05-18 Thread Olivier Andreotti
Hello, I'm running a benchmark with theses 3 databases, and the first results are not very good for PostgreSQL. PostgreSQL is 20% less performance than MySQL (InnoDB tables) My benchmark uses the same server for theses 3 databases : Dell Power edge - Xeon 2.8 Ghz - 2 Go Ram - 3 SCSI disks - Deb