Re: [PATCH] Compression dictionaries for JSONB

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От Aleksander Alekseev
Тема Re: [PATCH] Compression dictionaries for JSONB
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Msg-id CAJ7c6TMO7vCUewTVd-LHsFqE3YwNKP5nTzTVLe2LZwEZ5tzEuQ@mail.gmail.com
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Ответ на Re: [PATCH] Compression dictionaries for JSONB  (Andres Freund <andres@anarazel.de>)
Ответы Re: [PATCH] Compression dictionaries for JSONB  (Andres Freund <andres@anarazel.de>)
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Hi Andres,

> > So to clarify, are we talking about tuple-level compression? Or
> > perhaps page-level compression?
>
> Tuple level.

> although my own patch proposed attribute-level compression, not
> tuple-level one, it is arguably closer to tuple-level approach than
> page-level one

Just wanted to make sure that by tuple-level we mean the same thing.

When saying tuple-level do you mean that the entire tuple should be
compressed as one large binary (i.e. similarly to page-level
compression but more granularly), or every single attribute should be
compressed separately (similarly to how TOAST does this)?

-- 
Best regards,
Aleksander Alekseev



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