Re: [HACKERS] Performance regression on CVS head

2007-06-11 Thread Heikki Linnakangas
Heikki Linnakangas wrote: Tom Lane wrote: Heikki Linnakangas <[EMAIL PROTECTED]> writes: I tried to repeat the DBT-2 runs with the "oldestxmin refresh" patch, but to my surprise the baseline run with CVS head, without the patch, behaved very differently than it did back in March. I rerun the

Re: [HACKERS] Performance regression on CVS head

2007-06-08 Thread Heikki Linnakangas
Tom Lane wrote: Heikki Linnakangas <[EMAIL PROTECTED]> writes: I tried to repeat the DBT-2 runs with the "oldestxmin refresh" patch, but to my surprise the baseline run with CVS head, without the patch, behaved very differently than it did back in March. I rerun the a shorter 1h test with CVS

Re: [HACKERS] Performance regression on CVS head

2007-06-05 Thread Heikki Linnakangas
Tom Lane wrote: Heikki Linnakangas <[EMAIL PROTECTED]> writes: I tried to repeat the DBT-2 runs with the "oldestxmin refresh" patch, but to my surprise the baseline run with CVS head, without the patch, behaved very differently than it did back in March. I rerun the a shorter 1h test with CVS

Re: [HACKERS] Performance regression on CVS head

2007-06-04 Thread Tom Lane
Heikki Linnakangas <[EMAIL PROTECTED]> writes: > I tried to repeat the DBT-2 runs with the "oldestxmin refresh" patch, > but to my surprise the baseline run with CVS head, without the patch, > behaved very differently than it did back in March. > I rerun the a shorter 1h test with CVS head from

[HACKERS] Performance regression on CVS head

2007-06-04 Thread Heikki Linnakangas
I tried to repeat the DBT-2 runs with the "oldestxmin refresh" patch, but to my surprise the baseline run with CVS head, without the patch, behaved very differently than it did back in March. I rerun the a shorter 1h test with CVS head from May 20th, and March 6th (which is when I ran the earl