Re: [pgsql-advocacy] [PERFORM] 8.2 -> 8.3 performance numbers

2007-07-25 Thread Gregory Stark
"Simon Riggs" <[EMAIL PROTECTED]> writes: > On Wed, 2007-07-25 at 10:09 -0400, Merlin Moncure wrote: >> >> just a small 'me too' here, the RI penalty seems higher than it should >> be...especially when the foreign key table is very small, and I can >> see how this would impact benchmarks. > > An

Re: [pgsql-advocacy] [PERFORM] 8.2 -> 8.3 performance numbers

2007-07-25 Thread Simon Riggs
On Wed, 2007-07-25 at 10:09 -0400, Merlin Moncure wrote: > On 7/25/07, Simon Riggs <[EMAIL PROTECTED]> wrote: > > > > Should you get the chance I would appreciate a comparative test for > > TPC-E. > > > > 1. Normal TPC-E versus > > 2. TPC-E with all FKs against Fixed tables replaced with CHECK( co

Re: [pgsql-advocacy] [PERFORM] 8.2 -> 8.3 performance numbers

2007-07-25 Thread Merlin Moncure
On 7/25/07, Simon Riggs <[EMAIL PROTECTED]> wrote: On Fri, 2007-07-20 at 10:03 -0700, Josh Berkus wrote: > Jim, > > > Has anyone benchmarked HEAD against 8.2? I'd like some numbers to use in > > my OSCon lightning talk. Numbers for both with and without HOT would be > > even better (I know we've

Re: [pgsql-advocacy] [PERFORM] 8.2 -> 8.3 performance numbers

2007-07-25 Thread Simon Riggs
On Wed, 2007-07-25 at 15:07 +0200, Mario Weilguni wrote: > Am Mittwoch 25 Juli 2007 schrieb Simon Riggs: > > I have reasonable evidence that Referential Integrity is the major > > performance bottleneck and would like some objective evidence that this > > is the case. > > Just curious, will 8.3 st

Re: [pgsql-advocacy] [PERFORM] 8.2 -> 8.3 performance numbers

2007-07-25 Thread Mario Weilguni
Am Mittwoch 25 Juli 2007 schrieb Simon Riggs: > I have reasonable evidence that Referential Integrity is the major > performance bottleneck and would like some objective evidence that this > is the case. Just curious, will 8.3 still check FK constraints (and use locks) even if the referencing col

Re: [pgsql-advocacy] [PERFORM] 8.2 -> 8.3 performance numbers

2007-07-25 Thread Simon Riggs
On Fri, 2007-07-20 at 10:03 -0700, Josh Berkus wrote: > Jim, > > > Has anyone benchmarked HEAD against 8.2? I'd like some numbers to use in > > my OSCon lightning talk. Numbers for both with and without HOT would be > > even better (I know we've got HOT-specific benchmarks, but I want > > compl