Re: jsonb format is pessimal for toast compression

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От Bruce Momjian
Тема Re: jsonb format is pessimal for toast compression
Дата
Msg-id 20140814181344.GC7865@momjian.us
обсуждение исходный текст
Ответ на Re: jsonb format is pessimal for toast compression  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-hackers
On Thu, Aug 14, 2014 at 01:57:14PM -0400, Tom Lane wrote:
> Maybe this is telling us it's not worth changing the representation,
> and we should just go do something about the first_success_by threshold
> and be done.  I'm hesitant to draw such conclusions on the basis of a
> single use-case though, especially one that doesn't really have that
> much use for compression in the first place.  Do we have other JSON
> corpuses to look at?

Yes, that is what I was expecting --- once the whitespace and syntax
sugar is gone in JSONB, I was unclear how much compression would help.

--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com
 + Everyone has their own god. +



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