Re: [HACKERS] IO scheduler vs PostgreSQL performance measurement

2003-03-25 Thread Nick Piggin
scott.marlowe wrote: On Mon, 17 Mar 2003, Nick Piggin wrote: Dear PostgreSQL hackers, I am developing a disk IO scheduler for Linux and am aiming to have it included in the stable 2.6 release. Due to its design, performance regressions do appear, and are often more specific to the workload in

Re: [HACKERS] IO scheduler vs PostgreSQL performance measurement

2003-03-24 Thread scott.marlowe
On Mon, 17 Mar 2003, Nick Piggin wrote: Dear PostgreSQL hackers, I am developing a disk IO scheduler for Linux and am aiming to have it included in the stable 2.6 release. Due to its design, performance regressions do appear, and are often more specific to the workload in question than with

[HACKERS] IO scheduler vs PostgreSQL performance measurement

2003-03-23 Thread Nick Piggin
Dear PostgreSQL hackers, I am developing a disk IO scheduler for Linux and am aiming to have it included in the stable 2.6 release. Due to its design, performance regressions do appear, and are often more specific to the workload in question than with other schedulers, hence one has to go beyond

Re: [HACKERS] IO scheduler vs PostgreSQL performance measurement

2003-03-23 Thread Gavin Sherry
Hi, I would appreciate it if you could give me a suggestion for a not-too-difficult to set up or interpret PostgreSQL benchmark with a reasonable running time ( an hour or so) which I can add to my performance regression tests. Check out `make check', a regression test which ships with

Re: [HACKERS] IO scheduler vs PostgreSQL performance measurement

2003-03-23 Thread Nick Piggin
Gavin Sherry wrote: Hi, I would appreciate it if you could give me a suggestion for a not-too-difficult to set up or interpret PostgreSQL benchmark with a reasonable running time ( an hour or so) which I can add to my performance regression tests. Check out `make check', a regression