Re: [HACKERS] continuing daily testing of dbt2 against postgresql

2006-10-10 Thread Mark Wong
Yeah, I'm sure binding each process to a CPU would be a significant help. Something I've always wanted to quantify but haven't made time for... Mark Luke Lonergan wrote: One of our customers noticed that there were a high number of NUMA cache misses on a quad core opteron system running Bizgr

Re: [HACKERS] continuing daily testing of dbt2 against

2006-10-10 Thread Luke Lonergan
One of our customers noticed that there were a high number of NUMA cache misses on a quad core opteron system running Bizgres MPP resulting in about a 15% performance hit. We use a process-based parallelization approach and we can guess that there's context switching due to the high degree of pipe

Re: [HACKERS] continuing daily testing of dbt2 against postgresql

2006-10-10 Thread Mark Wong
Luke Lonergan wrote: +1 Mark, can you quantify the impact of not running with IRQ balancing enabled? Whoops, look like performance was due more to enabling the --enable-thread-safe flag. IRQ balancing on : 7086.75 http://dbt.osdl.org/dbt/dbt2dev/results/dev4-015/158/ IRQ balancing o

Re: [HACKERS] continuing daily testing of dbt2 against

2006-10-09 Thread Luke Lonergan
+1 Mark, can you quantify the impact of not running with IRQ balancing enabled? - Luke Msg is shrt cuz m on ma treo -Original Message- ---(end of broadcast)--- TIP 9: In versions below 8.0, the planner will ignore your desire to

Re: [HACKERS] continuing daily testing of dbt2 against postgresql

2006-10-09 Thread Mark Wong
Luke Lonergan wrote: +1 Mark, can you quantify the impact of not running with IRQ balancing enabled? Yeah, I'll try to have that done within a couple of days. Mark ---(end of broadcast)--- TIP 5: don't forget to increase your free space map set

Re: [HACKERS] continuing daily testing of dbt2 against postgresql

2006-10-09 Thread Jim C. Nasby
On Mon, Oct 09, 2006 at 10:37:32AM -0700, Mark Wong wrote: > Jim C. Nasby wrote: > >On Sun, Oct 08, 2006 at 05:26:11PM -0700, Mark Wong wrote: > >>I made another couple of gross mistakes of forgetting to compile > >>PostgreSQL with --enable-thread-safe and enabling the user space irq > >>balancing

Re: [HACKERS] continuing daily testing of dbt2 against postgresql

2006-10-09 Thread Mark Wong
Jim C. Nasby wrote: On Sun, Oct 08, 2006 at 05:26:11PM -0700, Mark Wong wrote: I made another couple of gross mistakes of forgetting to compile PostgreSQL with --enable-thread-safe and enabling the user space irq balancing program in Linux. I've restarted the histories with 600 and What's the

Re: [HACKERS] continuing daily testing of dbt2 against postgresql

2006-10-09 Thread Jim C. Nasby
On Sun, Oct 08, 2006 at 05:26:11PM -0700, Mark Wong wrote: > I made another couple of gross mistakes of forgetting to compile > PostgreSQL with --enable-thread-safe and enabling the user space irq > balancing program in Linux. I've restarted the histories with 600 and What's the advantage of irq

Re: [HACKERS] continuing daily testing of dbt2 against postgresql

2006-10-08 Thread Mark Wong
Michael Paesold wrote: > [EMAIL PROTECTED] wrote: >>> Mark Wong <[EMAIL PROTECTED]> writes: After over a year of problems (old site http://developer.osdl.org/markw/postgrescvs/) I have resumed producing daily results of dbt-2 against PostgreSQL CVS code with results here: h

Re: [HACKERS] continuing daily testing of dbt2 against postgresql

2006-10-08 Thread Mark Wong
Tom Lane wrote: > Mark Wong <[EMAIL PROTECTED]> writes: >> After over a year of problems (old site >> http://developer.osdl.org/markw/postgrescvs/) I have resumed producing >> daily results of dbt-2 against PostgreSQL CVS code with results here: >> http://dbt.osdl.org/dbt2.html > > This is

Re: [HACKERS] continuing daily testing of dbt2 against postgresql

2006-10-06 Thread Michael Paesold
[EMAIL PROTECTED] wrote: Mark Wong <[EMAIL PROTECTED]> writes: After over a year of problems (old site http://developer.osdl.org/markw/postgrescvs/) I have resumed producing daily results of dbt-2 against PostgreSQL CVS code with results here: http://dbt.osdl.org/dbt2.html This is good

Re: [HACKERS] continuing daily testing of dbt2 against postgresql

2006-10-05 Thread markw
> Mark Wong <[EMAIL PROTECTED]> writes: >> After over a year of problems (old site >> http://developer.osdl.org/markw/postgrescvs/) I have resumed producing >> daily results of dbt-2 against PostgreSQL CVS code with results here: >> http://dbt.osdl.org/dbt2.html > > This is good to hear! I a

Re: [HACKERS] continuing daily testing of dbt2 against postgresql

2006-10-05 Thread Tom Lane
Mark Wong <[EMAIL PROTECTED]> writes: > After over a year of problems (old site > http://developer.osdl.org/markw/postgrescvs/) I have resumed producing > daily results of dbt-2 against PostgreSQL CVS code with results here: > http://dbt.osdl.org/dbt2.html This is good to hear! I am curi