[PERFORM] Variable versus constrant size tuples

2011-08-19 Thread Krzysztof Chodak
Is there any performance benefit of using constant size tuples?

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Re: [PERFORM] Variable versus constrant size tuples

2011-08-19 Thread Andy Colson

On 8/19/2011 4:03 AM, Krzysztof Chodak wrote:

Is there any performance benefit of using constant size tuples?



If you are referring to varchar(80) vs text, then no, there is no benefit.

-Andy

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Re: [PERFORM] Variable versus constrant size tuples

2011-08-19 Thread Merlin Moncure
On Fri, Aug 19, 2011 at 4:03 AM, Krzysztof Chodak
krzysztof.cho...@gmail.com wrote:
 Is there any performance benefit of using constant size tuples?

not really.  If your tuple size is under a known maximum length, then
a toast table doesn't have to be created.  that's a pretty minor
detail though.

merlin

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Re: [PERFORM] Reports from SSD purgatory

2011-08-19 Thread Greg Smith

On 08/15/2011 07:49 PM, Greg Smith wrote:
News update for anyone else who's trapped like me, waiting for a fix 
to the Intel 320 SSD bug where they can truncate themselves to 8MB.  
Over the weekend Intel has announced a firmware fix for the problem is 
done, and is due to ship within the next two weeks:  
http://communities.intel.com/thread/24121


http://communities.intel.com/thread/24205
http://downloadcenter.intel.com/Detail_Desc.aspx?agr=YDwnldID=18363

I can't believe I'm going to end up using FreeDos to fix this problem.

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Greg Smith   2ndQuadrant USg...@2ndquadrant.com   Baltimore, MD
PostgreSQL Training, Services, and 24x7 Support  www.2ndQuadrant.us


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