| From: | Andrew Dunstan <andrew(at)dunslane(dot)net> |
|---|---|
| To: | daveg <daveg(at)sonic(dot)net> |
| Cc: | Andrew Chernow <ac(at)esilo(dot)com>, Dann Corbit <DCorbit(at)connx(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Stanislav Lacko <lacko(at)spacesystems(dot)sk>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Is a plan for lmza commpression in pg_dump |
| Date: | 2009-02-07 19:46:44 |
| Message-ID: | 498DE524.6070007@dunslane.net |
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| Lists: | pgsql-hackers |
daveg wrote:
> On Wed, Feb 04, 2009 at 10:23:17PM -0500, Andrew Chernow wrote:
>
>> Dann Corbit wrote:
>>
>>> The LZMA SDK is granted to the public domain:
>>> http://www.7-zip.org/sdk.html
>>>
>>>
>> I played with this but found the SDK extremely confusing and flat out
>> horrible. One personal dislike was the unnecessary use of C++; although it
>> was the horrible API that turned me off. I'm not even sure if I ever got a
>> test program working.
>>
>> LZO (http://www.oberhumer.com/opensource/lzo/) is a great algorithm, easy
>> API with many variants; my fav is LZO1X-1(15). Its known for its
>> compresison and decompresison speeds ... its blazing fast. zlib typically
>> gets 5-8% more compression.
>>
>
> LZO rocks. I wonder if the lzo developer would consider a license exception
> so that postgresql could use it? What would we need?
>
>
>
Probably a BSD license or a clean room implementation which we could BSD
license.
cheers
andrew
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