Re: jsonb format is pessimal for toast compression - Mailing list pgsql-hackers

From Andrew Dunstan
Subject Re: jsonb format is pessimal for toast compression
Date
Msg-id 53E4FA46.9000807@dunslane.net
Whole thread Raw
In response to Re: jsonb format is pessimal for toast compression  (John W Higgins <wishdev@gmail.com>)
List pgsql-hackers
On 08/08/2014 12:04 PM, John W Higgins wrote:

>
> Would an answer be to switch the location of the jsonb "header" data 
> to the end of the field as opposed to the beginning of the field? That 
> would allow pglz to see what it wants to see early on and go to work 
> when possible?
>
> Add an offset at the top of the field to show where to look - but then 
> it would be the same in terms of functionality outside of that? Or 
> pretty close?
>

That might make building up jsonb structures piece by piece as we do 
difficult.

cheers

andrew






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