Horton

Re: Improve compression speeds in pg_lzcompress.c

John R Pierce <pierce@hogranch.com>

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From: John R Pierce <pierce@hogranch.com>
To: pgsql-hackers@postgresql.org
Date: 2013-01-07T09:19:59Z
Lists: pgsql-hackers 
On 1/7/2013 1:10 AM, Simon Riggs wrote:
> On 7 January 2013 07:29, Takeshi Yamamuro
> <yamamuro.takeshi@lab.ntt.co.jp>  wrote:
>
>> >Anyway, the compression speed in lz4 is very fast, so in my
>> >opinion, there is a room to improve the current implementation
>> >in pg_lzcompress.
> So why don't we use LZ4?


what will changing compression formats do for compatability?

this is for the compressed data in pg_toast storage or something? will 
this break pg_upgrade style operations?