Re: [PERFORM] Easy read-heavy benchmark kicking around?

2006-11-08 Thread Markus Schaber
Hi, Brian, Brian Hurt wrote: So the question is: is there an easy to install and run, read-heavy benchmark out there that I can wave at them to get them to fix the problem? For sequential read performance, use dd. Most variants of dd I've seen output some timing information, and if not, do a

Re: [PERFORM] Easy read-heavy benchmark kicking around?

2006-11-08 Thread Merlin Moncure
On 11/8/06, Markus Schaber [EMAIL PROTECTED] wrote: Hi, Brian, Brian Hurt wrote: So the question is: is there an easy to install and run, read-heavy benchmark out there that I can wave at them to get them to fix the problem? For sequential read performance, use dd. Most variants of dd I've

Re: [PERFORM] Easy read-heavy benchmark kicking around?

2006-11-08 Thread Cosimo Streppone
Merlin Moncure wrote: On 11/8/06, Markus Schaber [EMAIL PROTECTED] wrote: Hi, Brian, Brian Hurt wrote: So the question is: is there an easy to install and run, read-heavy benchmark out there that I can wave at them to get them to fix the problem? For sequential read performance, use dd.

Re: [PERFORM] Which OS provides the _fastest_ PostgreSQL performance?

2006-11-08 Thread Ron Mayer
Jean-David Beyer wrote: Sure, some even read the entire cylinder. But unless the data are stored contiguously, this does little good. The Linux ext2 and ext3 file systems try to get more contiguity by allocating (IIRC) 8 blocks each time a write needs space From where do you recall this?

Re: [PERFORM] Easy read-heavy benchmark kicking around?

2006-11-08 Thread Luke Lonergan
Similar experiences with HP and their SmartArray 5i controller on Linux. The answer was: this controller has won awards for performance! It can't be slow!, so we made them test it in their own labs an prove just how awfully slow it was. In the case of the 5i, it became apparent that HP had no