| From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
|---|---|
| To: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
| Cc: | James Mansion <james(at)mansionfamily(dot)plus(dot)com>, pgsql-hackers(at)postgresql(dot)org, "Stephen R(dot) van den Berg" <srb(at)cuci(dot)nl>, Alex Hunsaker <badalex(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Subject: | Re: Significantly larger toast tables on 8.4? |
| Date: | 2009-01-05 16:45:49 |
| Message-ID: | 20090105164549.GG7345@alvh.no-ip.org |
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| 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.
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