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: Arthur Silva <arthurprs(at)gmail(dot)com>, Larry White <ljw1001(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Kevin Grittner <kgrittn(at)ymail(dot)com>, Stephen Frost <sfrost(at)snowman(dot)net>, Bruce Momjian <bruce(at)momjian(dot)us>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, Peter Geoghegan <pg(at)heroku(dot)com>, Gavin Flower <GavinFlower(at)archidevsys(dot)co(dot)nz>
Subject: Re: jsonb format is pessimal for toast compression
Date: 2014-08-20 19:18:10
Message-ID: 53F4F472.4020808@agliodbs.com
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On 08/20/2014 08:29 AM, Tom Lane wrote:
> Since it's looking like this might be the direction we want to go, I took
> the time to flesh out my proof-of-concept patch. The attached version
> takes care of cosmetic issues (like fixing the comments), and includes
> code to avoid O(N^2) penalties in findJsonbValueFromContainer and
> JsonbIteratorNext

OK, will test.

This means we need a beta3, no?

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

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