Re: The results of my PostgreSQL/filesystem performance

From: Bill Moran <wmoran(at)potentialtech(dot)com>
To: Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>
Cc: Ron Johnson <ron(dot)l(dot)johnson(at)cox(dot)net>, PgSQL Performance ML <pgsql-performance(at)postgresql(dot)org>
Subject: Re: The results of my PostgreSQL/filesystem performance
Date: 2003-08-29 02:15:20
Message-ID: 3F4EB738.1060203@potentialtech.com
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Christopher Kings-Lynne wrote:
>>>As with all performance tests/benchmarks, there are probably dozens or
>>>more reasons why these results aren't as accurate or wonderful as they
>>>should be. Take them for what they are and hopefully everyone can
>>>learn a few things from them.
>>>
>>>Intelligent feedback is welcome.
>>>
>>>http://www.potentialtech.com/wmoran/postgresql.php
>>
>>I notice that the Linux FSs weren't tested with noatime. Any
>>reason?
>
> My friend, (a FreeBSD committer), was wondering what the results are if you
> turn off softupdates (to match Linux default installation) and use noatime.

Keep an eye on the page. The test results will be posted shortly after I
finish them.

Keep in mind, I'm more interested in figuring out what can be done to make
Postgres _faster_, so tests along that line are going to have a higher
priority than ones that specifically compare "apples to apples" or anything
like that.

> He also wonders how bug the default IO is?

Huh?

--
Bill Moran
Potential Technologies
http://www.potentialtech.com

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