Horton

Re: Significantly larger toast tables on 8.4?

Alvaro Herrera <alvherre@commandprompt.com>

View thread
From: Alvaro Herrera <alvherre@commandprompt.com>
To: Peter Eisentraut <peter_e@gmx.net>
Cc: James Mansion <james@mansionfamily.plus.com>, pgsql-hackers@postgresql.org, "Stephen R. van den Berg" <srb@cuci.nl>, Alex Hunsaker <badalex@gmail.com>, Robert Haas <robertmhaas@gmail.com>, Tom Lane <tgl@sss.pgh.pa.us>
Date: 2009-01-05T16:45:49Z
Lists: pgsql-hackers 
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.