[PERFORM] PostgreSQL vs Oracle

2008-12-21 Thread Victor Nawothnig
Hi, I am looking for some recent and hopefully genuine comparisons between Oracle and PostgreSQL regarding their performance in large scale applications. Tests from real world applications would be preferable but not required. Also differentiations in different areas (i.e. different data types, qu

Re: [PERFORM] PostgreSQL vs Oracle

2008-12-21 Thread Scott Marlowe
On Sun, Dec 21, 2008 at 1:17 AM, Victor Nawothnig wrote: > Hi, > > I am looking for some recent and hopefully genuine comparisons between > Oracle and PostgreSQL regarding their performance in large scale > applications. Tests from real world applications would be preferable > but not required. Al

Re: [PERFORM] dbt-2 tuning results with postgresql-8.3.5

2008-12-21 Thread Mark Wong
On Dec 20, 2008, at 5:33 PM, Gregory Stark wrote: "Mark Wong" writes: To recap, dbt2 is a fair-use derivative of the TPC-C benchmark. We are using a 1000 warehouse database, which amounts to about 100GB of raw text data. Really? Do you get conforming results with 1,000 warehouses? What's

Re: [PERFORM] PostgreSQL vs Oracle

2008-12-21 Thread Stefano Dal Pra
One year ago a Postgres teacher pointed me there: http://it.toolbox.com/blogs/database-soup/postgresql-publishes-first-real-benchmark-17470 http://www.spec.org/jAppServer2004/results/res2007q3/jAppServer2004-20070606-00065.html that would be just like what you're looking for. Regards, Stefano O

[PERFORM] Query planner plus partitions equals very bad plans, again

2008-12-21 Thread Scott Carey
Here is a query on a partitioned schema that produces a very bad query plan. The tables are fully vacuumed, analyzed with stats target 40, and no bloat (created with pure inserts, no updates or deletes). I already know of at least three bugs with the query planner and partitions listed at the

Re: [PERFORM] PostgreSQL vs Oracle

2008-12-21 Thread Guy Rouillier
Victor Nawothnig wrote: Hi, I am looking for some recent and hopefully genuine comparisons between Oracle and PostgreSQL regarding their performance in large scale applications. Tests from real world applications would be preferable but not required. Also differentiations in different areas (i.e

Re: [PERFORM] dbt-2 tuning results with postgresql-8.3.5

2008-12-21 Thread Gregory Stark
Mark Wong writes: > On Dec 20, 2008, at 5:33 PM, Gregory Stark wrote: > >> "Mark Wong" writes: >> >>> To recap, dbt2 is a fair-use derivative of the TPC-C benchmark. We >>> are using a 1000 warehouse database, which amounts to about 100GB of >>> raw text data. >> >> Really? Do you get conformin