Re: [HACKERS] sort_mem statistics ...

2005-10-26 Thread Jim C. Nasby
On Wed, Oct 26, 2005 at 06:50:49PM -0300, Marc G. Fournier wrote: > On Wed, 26 Oct 2005, Jim C. Nasby wrote: > > >On Tue, Oct 18, 2005 at 06:15:02PM -0400, Tom Lane wrote: > >>"Marc G. Fournier" <[EMAIL PROTECTED]> writes: > >>>do we maintain anything anywhere for this? mainly, some way of > >>>d

Re: [HACKERS] sort_mem statistics ...

2005-10-26 Thread Marc G. Fournier
On Wed, 26 Oct 2005, Jim C. Nasby wrote: On Tue, Oct 18, 2005 at 06:15:02PM -0400, Tom Lane wrote: "Marc G. Fournier" <[EMAIL PROTECTED]> writes: do we maintain anything anywhere for this? mainly, some way of determining # of 'sorts to disk' vs 'sort in memory', to determine whether or not so

Re: [HACKERS] sort_mem statistics ...

2005-10-26 Thread Jim C. Nasby
On Tue, Oct 18, 2005 at 06:15:02PM -0400, Tom Lane wrote: > "Marc G. Fournier" <[EMAIL PROTECTED]> writes: > > do we maintain anything anywhere for this? mainly, some way of > > determining # of 'sorts to disk' vs 'sort in memory', to determine whether > > or not sort_mem is set to a good value?

Re: [HACKERS] sort_mem statistics ...

2005-10-25 Thread Bruce Momjian
Bruce Momjian wrote: > Tom Lane wrote: > > "Marc G. Fournier" <[EMAIL PROTECTED]> writes: > > > On Tue, 18 Oct 2005, Tom Lane wrote: > > >> Looking at the code, I notice that the messages are all emitted at level > > >> NOTICE. Perhaps that was not such a good idea --- it'd be pretty much > > >>

Re: [HACKERS] sort_mem statistics ...

2005-10-24 Thread Bruce Momjian
Tom Lane wrote: > "Marc G. Fournier" <[EMAIL PROTECTED]> writes: > > On Tue, 18 Oct 2005, Tom Lane wrote: > >> Looking at the code, I notice that the messages are all emitted at level > >> NOTICE. Perhaps that was not such a good idea --- it'd be pretty much > >> in-your-face if it were on all t

Re: [HACKERS] sort_mem statistics ...

2005-10-24 Thread Simon Riggs
On Tue, 2005-10-18 at 18:57 -0400, Tom Lane wrote: > "Marc G. Fournier" <[EMAIL PROTECTED]> writes: > > On Tue, 18 Oct 2005, Tom Lane wrote: > >> Looking at the code, I notice that the messages are all emitted at level > >> NOTICE. Perhaps that was not such a good idea --- it'd be pretty much >

Re: [HACKERS] sort_mem statistics ...

2005-10-18 Thread Marc G. Fournier
Isn't that what pg_stat_database reports with its xact_commit and xact_rollback values? On Wed, 19 Oct 2005, Christopher Kings-Lynne wrote: do we maintain anything anywhere for this? mainly, some way of determining # of 'sorts to disk' vs 'sort in memory', to determine whether or not sort_

Re: [HACKERS] sort_mem statistics ...

2005-10-18 Thread Christopher Kings-Lynne
do we maintain anything anywhere for this? mainly, some way of determining # of 'sorts to disk' vs 'sort in memory', to determine whether or not sort_mem is set to a good value? I don't think there is currently, but wondering how hard it would be to get something like this added ... ? While

Re: [HACKERS] sort_mem statistics ...

2005-10-18 Thread Christopher Kings-Lynne
Isn't that what pg_stat_database reports with its xact_commit and xact_rollback values? Ah yes. Doh :) Chris ---(end of broadcast)--- TIP 6: explain analyze is your friend

Re: [HACKERS] sort_mem statistics ...

2005-10-18 Thread Satoshi Nagayasu
Josh Berkus wrote: >>And I want to get statistic info through system views, like pg_statio_*. > > I don't think anyone disagrees with that. It's just a little too late to > get in for 8.1. Thanks for comment. I hope 8.2 will get it. -- NAGAYASU Satoshi <[EMAIL PROTECTED]>

Re: [HACKERS] sort_mem statistics ...

2005-10-18 Thread Josh Berkus
Satoshi, > And I want to get statistic info through system views, like pg_statio_*. I don't think anyone disagrees with that. It's just a little too late to get in for 8.1. -- --Josh Josh Berkus Aglio Database Solutions San Francisco ---(end of broadcast)

Re: [HACKERS] sort_mem statistics ...

2005-10-18 Thread Satoshi Nagayasu
Tom, Tom Lane wrote: >>do we maintain anything anywhere for this? mainly, some way of >>determining # of 'sorts to disk' vs 'sort in memory', to determine whether >>or not sort_mem is set to a good value? > > As of 8.1 you could turn on trace_sort to collect some data about this. Why is the trac

Re: [HACKERS] sort_mem statistics ...

2005-10-18 Thread Marc G. Fournier
On Tue, 18 Oct 2005, Tom Lane wrote: "Marc G. Fournier" <[EMAIL PROTECTED]> writes: do we maintain anything anywhere for this? mainly, some way of determining # of 'sorts to disk' vs 'sort in memory', to determine whether or not sort_mem is set to a good value? As of 8.1 you could turn on tr

Re: [HACKERS] sort_mem statistics ...

2005-10-18 Thread Tom Lane
"Marc G. Fournier" <[EMAIL PROTECTED]> writes: > On Tue, 18 Oct 2005, Tom Lane wrote: >> Looking at the code, I notice that the messages are all emitted at level >> NOTICE. Perhaps that was not such a good idea --- it'd be pretty much >> in-your-face if it were on all the time. Does anyone thin

Re: [HACKERS] sort_mem statistics ...

2005-10-18 Thread Marc G. Fournier
On Tue, 18 Oct 2005, Tom Lane wrote: "Marc G. Fournier" <[EMAIL PROTECTED]> writes: On Tue, 18 Oct 2005, Tom Lane wrote: Looking at the code, I notice that the messages are all emitted at level NOTICE. Perhaps that was not such a good idea --- it'd be pretty much in-your-face if it were on al

Re: [HACKERS] sort_mem statistics ...

2005-10-18 Thread Tom Lane
"Marc G. Fournier" <[EMAIL PROTECTED]> writes: > do we maintain anything anywhere for this? mainly, some way of > determining # of 'sorts to disk' vs 'sort in memory', to determine whether > or not sort_mem is set to a good value? As of 8.1 you could turn on trace_sort to collect some data abou

[HACKERS] sort_mem statistics ...

2005-10-18 Thread Marc G. Fournier
do we maintain anything anywhere for this? mainly, some way of determining # of 'sorts to disk' vs 'sort in memory', to determine whether or not sort_mem is set to a good value? I don't think there is currently, but wondering how hard it would be to get something like this added ... ? tha