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Re: Faster compression, again

From: Simon Riggs <simon(at)2ndQuadrant(dot)com>
To: Daniel Farina <daniel(at)heroku(dot)com>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Faster compression, again
Date: 2012-03-15 22:14:12
Message-ID: CA+U5nMJH+Y4OaDOXpSuARm=3+2F_umvuGzUOpCtLw17E3j+aGg@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-hackers
On Wed, Mar 14, 2012 at 6:06 PM, Daniel Farina <daniel(at)heroku(dot)com> wrote:

> If we're curious how it affects replication
> traffic, I could probably gather statistics on LZO-compressed WAL
> traffic, of which we have a pretty huge amount captured.

What's the compression like for shorter chunks of data? Is it worth
considering using this for the libpq copy protocol and therefore
streaming replication also?

-- 
 Simon Riggs                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

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