Re: Significantly larger toast tables on 8.4?

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От Alvaro Herrera
Тема Re: Significantly larger toast tables on 8.4?
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Msg-id 20090105164549.GG7345@alvh.no-ip.org
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Ответ на Re: Significantly larger toast tables on 8.4?  (Peter Eisentraut <peter_e@gmx.net>)
Ответы Re: Significantly larger toast tables on 8.4?  ("Merlin Moncure" <mmoncure@gmail.com>)
Re: Significantly larger toast tables on 8.4?  (Peter Eisentraut <peter_e@gmx.net>)
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Peter Eisentraut escribió:
> James Mansion wrote:
>> Peter Eisentraut wrote:
>>>> c. Are there any well-known pitfalls/objections which would prevent 
>>>> me from
>>>>    changing the algorithm to something more efficient (read: IO-bound)?
>>>
>>> copyright licenses and patents
>>>   
>> Would it be possible to have a plugin facility?
>
> Well, before we consider that, we'd probably want to see proof about the  
>  effectiveness of other compression methods.

I did some measurements months ago, and it was very clear that libz
compression was a lot tighter than the PGLZ code.

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.


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