Re: [GENERAL] PostgreSQL TPC-H test result?

2008-09-11 Thread Ron Mayer
Tom Lane wrote: interval '1' year. ...is SQL spec syntax, but it's not fully implemented in Postgres... Or someone could try to make it work, but given that no one has taken the slightest interest since Tom Lockhart left the project, I wouldn't hold my breath waiting for that. I have

Re: [GENERAL] PostgreSQL TPC-H test result?

2008-09-11 Thread Ron Mayer
Ron Mayer wrote: Tom Lane wrote: Or someone could try to make it work, but given that no one has taken the slightest interest since Tom Lockhart left the project, I wouldn't hold my breath waiting for that. I have interest. For 5 years I've been maintaining a patch for a client Doh. Now

Re: [GENERAL] PostgreSQL TPC-H test result?

2008-09-11 Thread Jignesh K. Shah
Moving this thread to Performance alias as it might make more sense for folks searching on this topic: Greg Smith wrote: On Tue, 9 Sep 2008, Amber wrote: I read something from http://monetdb.cwi.nl/projects/monetdb/SQL/Benchmark/TPCH/index.html saying that PostgreSQL can't give the

Re: [GENERAL] PostgreSQL TPC-H test result?

2008-09-10 Thread Simon Riggs
On Tue, 2008-09-09 at 16:26 -0400, Tom Lane wrote: That's probably not good because it *looks* like we support the syntax, but in fact produce non-spec-compliant results. I think it might be better if we threw an error. Definitely. If we accept SQL Standard syntax like this but then not do

Re: [GENERAL] PostgreSQL TPC-H test result?

2008-09-10 Thread Andrew Sullivan
On Tue, Sep 09, 2008 at 05:42:50PM -0400, Greg Smith wrote: While some of the MonetDB bashing in this thread was unwarranted, What bashing? I didn't see any bashing of them. A -- Andrew Sullivan [EMAIL PROTECTED] +1 503 667 4564 x104 http://www.commandprompt.com/ -- Sent via

[GENERAL] PostgreSQL TPC-H test result?

2008-09-09 Thread Amber
I read something from http://monetdb.cwi.nl/projects/monetdb/SQL/Benchmark/TPCH/index.html saying that PostgreSQL can't give the correct result of the some TPC-H queries, I wonder is there any official statements about this, because it will affect our plane of using PostgreSQL as an

Re: [GENERAL] PostgreSQL TPC-H test result?

2008-09-09 Thread Andrew Sullivan
On Tue, Sep 09, 2008 at 07:59:49PM +0800, Amber wrote: I read something from http://monetdb.cwi.nl/projects/monetdb/SQL/Benchmark/TPCH/index.html Given that the point of that study is to prove something about performance, one should be leery of any claims based on an out of the box comparison.

Re: [GENERAL] PostgreSQL TPC-H test result?

2008-09-09 Thread Amber
@postgresql.org Subject: Re: [GENERAL] PostgreSQL TPC-H test result? On Tue, Sep 09, 2008 at 07:59:49PM +0800, Amber wrote: I read something from http://monetdb.cwi.nl/projects/monetdb/SQL/Benchmark/TPCH/index.html Given that the point of that study is to prove something about performance

Re: [GENERAL] PostgreSQL TPC-H test result?

2008-09-09 Thread Richard Broersma
On Tue, Sep 9, 2008 at 7:06 AM, Amber [EMAIL PROTECTED] wrote: Yes, we don't care about the performance results, but we do care about the point that PostgreSQL can't give the correct results of TPC-H queries. It would be nice to know about the data, queries, and the expected results of their

Re: [GENERAL] PostgreSQL TPC-H test result?

2008-09-09 Thread Merlin Moncure
On Tue, Sep 9, 2008 at 10:06 AM, Amber [EMAIL PROTECTED] wrote: Yes, we don't care about the performance results, but we do care about the point that PostgreSQL can't give the correct results of TPC-H queries. PostgreSQL, at least in terms of the open source databases, is probably your best

Re: [GENERAL] PostgreSQL TPC-H test result?

2008-09-09 Thread Andrew Sullivan
On Tue, Sep 09, 2008 at 10:06:01PM +0800, Amber wrote: Yes, we don't care about the performance results, but we do care about the point that PostgreSQL can't give the correct results of TPC-H queries. I have never heard a reputable source claim this. I have grave doubts about their claim:

Re: [GENERAL] PostgreSQL TPC-H test result?

2008-09-09 Thread Robert Treat
On Tuesday 09 September 2008 10:06:01 Amber wrote: From: Andrew Sullivan [EMAIL PROTECTED] Sent: Tuesday, September 09, 2008 8:39 PM To: pgsql-general@postgresql.org Subject: Re: [GENERAL] PostgreSQL TPC-H test result? On Tue, Sep 09, 2008 at 07:59:49PM +0800, Amber wrote: I read

Re: [GENERAL] PostgreSQL TPC-H test result?

2008-09-09 Thread Brent Wood
My 02c, Pg does itself no favours by sticking with such pessimistic defaults, and a novice user wanting to try it out will find tweaking the pg configuration files for performance quite complicated. Given the general increase in typical hardware specs these days, perhaps the default pg specs

Re: [GENERAL] PostgreSQL TPC-H test result?

2008-09-09 Thread Martijn van Oosterhout
On Wed, Sep 10, 2008 at 07:16:35AM +1200, Brent Wood wrote: Given the general increase in typical hardware specs these days, perhaps the default pg specs could be set for higher spec systems? Given the default shmem configuration on operating systems these days, upping the default will likely

Re: [GENERAL] PostgreSQL TPC-H test result?

2008-09-09 Thread Andrew Sullivan
On Wed, Sep 10, 2008 at 07:16:35AM +1200, Brent Wood wrote: Pg does itself no favours by sticking with such pessimistic defaults, and a novice user wanting to try it out will find tweaking the pg configuration files for performance quite complicated. You do know that at install time, Pg does

Re: [GENERAL] PostgreSQL TPC-H test result?

2008-09-09 Thread Tom Lane
Robert Treat [EMAIL PROTECTED] writes: http://www.it.iitb.ac.in/~chetanv/personal/acads/db/report_html/node10.html. It isn't terribly informative, but it doesindicate one thing, someone else was able to run query #6 correctly, while the above site claims it returns an error. Now when I look

Re: [GENERAL] PostgreSQL TPC-H test result?

2008-09-09 Thread Scott Marlowe
On Tue, Sep 9, 2008 at 2:07 PM, Andrew Sullivan [EMAIL PROTECTED] wrote: . . . your figuring here is indeed simplistic. Every day I see requests for help from people who have followed the rule of thumb 1/4 of memory for shared_buffers, except that they're also running apache+jakarta, MySQL,

Re: [GENERAL] PostgreSQL TPC-H test result?

2008-09-09 Thread Greg Smith
On Tue, 9 Sep 2008, Amber wrote: I read something from http://monetdb.cwi.nl/projects/monetdb/SQL/Benchmark/TPCH/index.html saying that PostgreSQL can't give the correct result of the some TPC-H queries Jignesh Shah at Sun ran into that same problem. It's mentioned briefly in his

Re: [GENERAL] PostgreSQL TPC-H test result?

2008-09-09 Thread Jignesh K. Shah
Greg Smith wrote: On Tue, 9 Sep 2008, Amber wrote: I read something from http://monetdb.cwi.nl/projects/monetdb/SQL/Benchmark/TPCH/index.html saying that PostgreSQL can't give the correct result of the some TPC-H queries Jignesh Shah at Sun ran into that same problem. It's mentioned

Re: [GENERAL] PostgreSQL TPC-H test result?

2008-09-09 Thread Merlin Moncure
On Tue, Sep 9, 2008 at 3:37 PM, Martijn van Oosterhout [EMAIL PROTECTED] wrote: On Wed, Sep 10, 2008 at 07:16:35AM +1200, Brent Wood wrote: Given the general increase in typical hardware specs these days, perhaps the default pg specs could be set for higher spec systems? Given the default