Re: jsonb format is pessimal for toast compression

From: Josh Berkus <josh(at)agliodbs(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Andres Freund <andres(at)2ndquadrant(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Peter Geoghegan <pg(at)heroku(dot)com>, Claudio Freire <klaussfreire(at)gmail(dot)com>, "David E(dot) Wheeler" <david(at)justatheory(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Jan Wieck <jan(at)wi3ck(dot)info>
Subject: Re: jsonb format is pessimal for toast compression
Date: 2014-09-25 18:27:57
Message-ID: 54245EAD.80404@agliodbs.com
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On 09/25/2014 11:22 AM, Tom Lane wrote:
> In the interests of pushing this forward, I will work today on
> trying to finish and review Heikki's offsets-and-lengths patch
> so that we have something we can do performance testing on.
> I doubt that the performance testing will tell us anything we
> don't expect, but we should do it anyway.

OK. I'll spend some time trying to get Socorro with JSONB working so
that I'll have a second test case.

--
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com

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