On Thu, Mar 26, 2009 at 5:10 PM, Scott Marlowe scott.marl...@gmail.com wrote:
It's also important to point out that writers don't necessarily block
other writers. As long as they're operating on different ranges of
the data set. You can have dozens of writers streaming data in with
[mailto:scott.marl...@gmail.com]
Sent: 27 March 2009 02:25
To: Scott Ribe
Cc: Will Rutherdale (rutherw); pgsql-general@postgresql.org
Subject: Re: [GENERAL] Is there a meaningful benchmark?
To be fare, some database apps have a few rows they update in a near
continuous stream, and they row lock
On Fri, Mar 27, 2009 at 10:32 AM, Will Rutherdale (rutherw)
ruth...@cisco.com wrote:
Incidentally, in case people are interested in hearing the follow-up to
my original message, my home-cooked benchmark with lots of processes
doing tons of updates seemed to initially show MyISAM winning over
(rutherw)
Cc: pgsql-general@postgresql.org
Subject: Re: [GENERAL] Is there a meaningful benchmark?
This is one of those areas where postgresql acts very differently from
other dbs. In lots of other dbs big transactions are the performance
killer. In PostgreSQL big transactions are the way to get
On Fri, Mar 27, 2009 at 2:27 PM, Will Rutherdale (rutherw)
ruth...@cisco.com wrote:
I see. Perhaps earlier I alienated some people by talking about
transactions per second, which is not necessarily an appropriate unit.
Hard to say, tps is still important. A lot of loads need to change
one
On Fri, Mar 20, 2009 at 9:27 AM, Scott Ribe scott_r...@killerbytes.com wrote:
That's why I was looking for a more balanced benchmark that exercises
said capabilities.
OK, here's the thing, I will give you *one* sample issue to think about, as
an illustration of the kinds of differences there
On 26/03/2009 23:10, Scott Marlowe wrote:
It's also important to point out that writers don't necessarily block
other writers. As long as they're operating on different ranges of
the data set. You can have dozens of writers streaming data in with
differening primary keys all running
On Thu, Mar 26, 2009 at 5:23 PM, Raymond O'Donnell r...@iol.ie wrote:
On 26/03/2009 23:10, Scott Marlowe wrote:
It's also important to point out that writers don't necessarily block
other writers. As long as they're operating on different ranges of
the data set. You can have dozens of
That's why I was looking for a more balanced benchmark that exercises
said capabilities.
OK, here's the thing, I will give you *one* sample issue to think about, as
an illustration of the kinds of differences there are.
- PostgresQL uses MVCC instead of row or page locking, which means only
Subject: Re: [GENERAL] Is there a meaningful benchmark?
That's why I was looking for a more balanced benchmark that exercises
said capabilities.
OK, here's the thing, I will give you *one* sample issue to think about,
as
an illustration of the kinds of differences there are.
- PostgresQL uses
On Fri, Mar 20, 2009 at 9:55 AM, Will Rutherdale (rutherw)
ruth...@cisco.com wrote:
You have a point, as do a lot of the other folks.
However, keeping the KISS principle in mind, you can create a benchmark
that simply sets up a sample database and forks off a bunch of processes
to do random
Will Rutherdale (rutherw) ruth...@cisco.com writes:
However, keeping the KISS principle in mind, you can create a benchmark
that simply sets up a sample database and forks off a bunch of processes
to do random updates for an hour, say. Dead simple.
Indeed, and more than likely dead useless.
On Thu, 19 Mar 2009, Dann Corbit wrote:
Oracle won't let you publish any benchmark numbers.
So if you find an Oracle comparison, it's unauthorized
You can find some useful comparisons that include Oracle if you look at
the audited benchmarks from the TPC. I've collected links to a bunch at
On Fri, 20 Mar 2009, Will Rutherdale (rutherw) wrote:
However, keeping the KISS principle in mind, you can create a benchmark
that simply sets up a sample database and forks off a bunch of processes
to do random updates for an hour, say. Dead simple.
There's a benchmark tool that does
http://blog.redfin.com/devblog/2007/11/elephant_versus_dolphin_which_is_faster_which_is_smarter.html
Here's another PgSQL/MySQL testimonial, with a spatial twist :)
P
On Fri, Mar 20, 2009 at 10:15 AM, Greg Smith gsm...@gregsmith.com wrote:
On Fri, 20 Mar 2009, Will Rutherdale (rutherw) wrote:
Point taken.
Thank you for the help.
-Will
-Original Message-
From: Tom Lane [mailto:t...@sss.pgh.pa.us]
Sent: 20 March 2009 12:06
To: Will Rutherdale (rutherw)
Cc: pgsql-general@postgresql.org
Subject: Re: [GENERAL] Is there a meaningful benchmark?
Will Rutherdale (rutherw) ruth
Thanks for the references.
-Will
-Original Message-
From: pgsql-general-ow...@postgresql.org
[mailto:pgsql-general-ow...@postgresql.org] On Behalf Of Paul Ramsey
Sent: 20 March 2009 13:29
To: pgsql-general@postgresql.org
Subject: Re: [GENERAL] Is there a meaningful benchmark?
http
Hi. I'm writing up a database comparison paper in my department at
work, with Postgres being a major candidate. I have been attempting to
research various issues and provide a meaningful comparison.
One issue I would like to give some kind of information on is
comparative performance. When I
-Original Message-
From: pgsql-general-ow...@postgresql.org [mailto:pgsql-general-
ow...@postgresql.org] On Behalf Of Will Rutherdale (rutherw)
Sent: Thursday, March 19, 2009 1:32 PM
To: pgsql-general@postgresql.org
Subject: [GENERAL] Is there a meaningful benchmark?
Hi. I'm
Comparison between MySQL using the MyISAM engine with PostgreSQL is really
not sensible. For one, the MyISAM engine does not have transaction and
foreign key support, while PostgreSQL supports transaction and foreign key.
Would anyone really give up transaction and integrity for slightly more
On Thu, Mar 19, 2009 at 3:16 PM, Dann Corbit dcor...@connx.com wrote:
Here are some benchmark figures:
http://tweakers.net/reviews/657/6
SNIP
My opinion:
Most benchmarks are run by someone with an axe to grind. I never
believe them.
Generally I agree with that sentiment. However, it's
]
Sent: 19 March 2009 17:16
To: Will Rutherdale (rutherw); pgsql-general@postgresql.org
Subject: RE: [GENERAL] Is there a meaningful benchmark?
The only way to get an answer to a question like this is to actually
benchmark the application you have in mind.
And the answer won't be very good unless
On Thu, Mar 19, 2009 at 3:50 PM, Will Rutherdale (rutherw)
ruth...@cisco.com wrote:
Even if such a question is answered, it isn't going to be the only
factor. For example I have collected reasonable numbers already on
footprints of different RDBMSs, because embedded guys might find that
second against another RDBMS or two.
-Will
-Original Message-
From: Scott Marlowe [mailto:scott.marl...@gmail.com]
Sent: 19 March 2009 17:57
To: Will Rutherdale (rutherw)
Cc: pgsql-general@postgresql.org
Subject: Re: [GENERAL] Is there a meaningful benchmark?
On Thu, Mar 19, 2009
-Original Message-
From: pgsql-general-ow...@postgresql.org [mailto:pgsql-general-
ow...@postgresql.org] On Behalf Of Scott Marlowe
Sent: Thursday, March 19, 2009 2:57 PM
To: Will Rutherdale (rutherw)
Cc: pgsql-general@postgresql.org
Subject: Re: [GENERAL] Is there a meaningful
[mailto:scott.marl...@gmail.com]
Sent: 19 March 2009 17:36
To: Dann Corbit
Cc: Will Rutherdale (rutherw); pgsql-general@postgresql.org
Subject: Re: [GENERAL] Is there a meaningful benchmark?
On Thu, Mar 19, 2009 at 3:16 PM, Dann Corbit dcor...@connx.com wrote:
Here are some benchmark figures:
http
On Thu, Mar 19, 2009 at 4:02 PM, Will Rutherdale (rutherw)
ruth...@cisco.com wrote:
I am *not* primarily interested in embedded, but I know people who are, and I
have already compared with SQLite.
My main point of concern right now is for more middle sized platforms (such
as an average
.
-Will
From: pgsql-general-ow...@postgresql.org
[mailto:pgsql-general-ow...@postgresql.org] On Behalf Of John Cheng
Sent: 19 March 2009 17:27
Cc: pgsql-general@postgresql.org
Subject: Re: [GENERAL] Is there a meaningful benchmark?
Comparison between MySQL using
On Thu, Mar 19, 2009 at 3:56 PM, Will Rutherdale (rutherw)
ruth...@cisco.com wrote:
I'm having trouble with the tweakers reference below.
I was hoping to see something where hardware platform is held constant while
RDBMS is varied, but it seems to be just the opposite. Or maybe I didn't
On Thu, Mar 19, 2009 at 4:11 PM, Will Rutherdale (rutherw)
ruth...@cisco.com wrote:
I am already aware of this issue, and am preparing to explain it to people.
Well, keep in mind that MOST people are gonna wave you off, and figure
it doesn't matter that much. Lots of developers are pretty
On Thu, Mar 19, 2009 at 3:26 PM, John Cheng chonger.ch...@gmail.com wrote:
Comparison between MySQL using the MyISAM engine with PostgreSQL is really
not sensible. For one, the MyISAM engine does not have transaction and
foreign key support, while PostgreSQL supports transaction and foreign
simple
measured indicators aren't easy to come by.
-Will
-Original Message-
From: Scott Marlowe [mailto:scott.marl...@gmail.com]
Sent: 19 March 2009 18:14
To: Will Rutherdale (rutherw)
Cc: pgsql-general@postgresql.org
Subject: Re: [GENERAL] Is there a meaningful benchmark?
On Thu, Mar
Here is another interesting benchmark with a particular user's
application:
http://blog.page2rss.com/2007/01/postgresql-vs-mysql-performance.html
P.S.
Oracle won't let you publish any benchmark numbers.
So if you find an Oracle comparison, it's unauthorized
--
Sent via pgsql-general mailing
On Thu, Mar 19, 2009 at 4:24 PM, Will Rutherdale (rutherw)
ruth...@cisco.com wrote:
Okay, you've given me some useful information.
As the original subject line indicates, I'm open to the idea that no such
benchmark exists.
If anyone asks about this stuff, I can just say that performance
.
-Will
-Original Message-
From: Dann Corbit [mailto:dcor...@connx.com]
Sent: 19 March 2009 18:26
To: Scott Marlowe; Will Rutherdale (rutherw)
Cc: pgsql-general@postgresql.org
Subject: RE: [GENERAL] Is there a meaningful benchmark?
Here is another interesting benchmark with a particular
Subject: RE: [GENERAL] Is there a meaningful benchmark?
The only way to get an answer to a question like this is to actually
benchmark the application you have in mind.
And the answer won't be very good unless you have an expert on each
given system install and tune the application.
There is a regular
On Thu, Mar 19, 2009 at 3:23 PM, Scott Marlowe scott.marl...@gmail.comwrote:
On Thu, Mar 19, 2009 at 3:26 PM, John Cheng chonger.ch...@gmail.com
wrote:
Comparison between MySQL using the MyISAM engine with PostgreSQL is
really
not sensible. For one, the MyISAM engine does not have
Dann Corbit wrote:
Here is another interesting benchmark with a particular user's
application:
http://blog.page2rss.com/2007/01/postgresql-vs-mysql-performance.html
P.S.
Oracle won't let you publish any benchmark numbers.
So if you find an Oracle comparison, it's unauthorized
True
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