Re: interesting article: Leverage your PostgreSQL V8.1 skills to learn DB2, Version

From: "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com>
To: mark(at)mark(dot)mielke(dot)cc
Cc: Pavel Stehule <pavel(dot)stehule(at)hotmail(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: interesting article: Leverage your PostgreSQL V8.1 skills to learn DB2, Version
Date: 2006-08-07 17:05:47
Message-ID: 20060807170546.GA40481@pervasive.com
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On Sat, Aug 05, 2006 at 08:42:23AM -0400, mark(at)mark(dot)mielke(dot)cc wrote:
> On Sat, Aug 05, 2006 at 10:01:30AM +0200, Pavel Stehule wrote:
> > I found maybe interesting article
> > http://www-128.ibm.com/developerworks/db2/library/techarticle/dm-0603wasserman2/
>
> That for the article. I had been meaning to look at DB2, and it gave me a
> quick summary.
>
> What I get from the article, though, is that DB2 is more modularized than
> PostgreSQL, however, it has concurrency issues. Is this true? Anybody allowed
> to comment on the peformance of small-sized (~1 million rows) databases?
>
> I'm not seeing a compelling reason to switch.

Unless it's changed recently, it uses shared read locks, so yes, there's
definately concurrency issues to think about.
--
Jim C. Nasby, Sr. Engineering Consultant jnasby(at)pervasive(dot)com
Pervasive Software http://pervasive.com work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461

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