[GENERAL] postgresql scalability issue

2010-11-08 Thread umut orhan
Hi all, I've collected some interesting results during my experiments which I couldn't figure out the reason behind them and need your assistance. I'm running PostgreSQL 9.0 on a quad-core machine having two level on-chip cache hierarchy. PostgreSQL has a large and warmed-up buffer cache thu

[GENERAL] setting the block size to a value greater than 32KB

2009-11-30 Thread umut orhan
Hi, Sorry in advance if this is the wrong list and the question has already been posted. I'm a newbee in Postgres. I would like to set the block size used in buffer cache to a specific value which is greater than 32KB (let's say --with-block-size=256). Is there are way to do that? Current vers