Re: jsonb format is pessimal for toast compression

From: Claudio Freire <klaussfreire(at)gmail(dot)com>
To: Josh Berkus <josh(at)agliodbs(dot)com>
Cc: Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Robert Haas <robertmhaas(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: 2014-09-15 19:25:42
Message-ID: CAGTBQpZrtpAmXzqK=VfgDcp+YjDaLRf45P194U-wJ7sf54i2sQ@mail.gmail.com
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On Mon, Sep 15, 2014 at 4:17 PM, Josh Berkus <josh(at)agliodbs(dot)com> wrote:
> On 09/15/2014 12:15 PM, Claudio Freire wrote:
>> So while you're right that it's perhaps above what would be a common
>> use case, the range "somewhere between 200 and 100K" for the tipping
>> point seems overly imprecise to me.
>
> Well, then, you know how to solve that.

I was hoping testing with other numbers was a simple hitting a key for
someone else.

But sure. I'll set something up.

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