Re: PostgreSQL VS MongoDB: a use case comparison - Mailing list pgsql-performance

From Merlin Moncure
Subject Re: PostgreSQL VS MongoDB: a use case comparison
Date
Msg-id CAHyXU0wQKaoQsZL=adB5vCFhjL+2kn4DiRnmVDEABJC8aCAz0w@mail.gmail.com
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In response to Re: PostgreSQL VS MongoDB: a use case comparison  (Stephen Frost <sfrost@snowman.net>)
Responses Re: PostgreSQL VS MongoDB: a use case comparison
List pgsql-performance
On Mon, Nov 19, 2018 at 11:26 AM Stephen Frost <sfrost@snowman.net> wrote:
> Looks like a lot of the difference being seen and the comments made
> about one being faster than the other are because one system is
> compressing *everything*, while PG (quite intentionally...) only
> compresses the data sometimes- once it hits the TOAST limit.  That
> likely also contributes to why you're seeing the on-disk size
> differences that you are.

Hm.  It may be intentional, but is it ideal?  Employing datum
compression in the 1kb-8kb range with a faster but less compressing
algorithm could give benefits.

merlin


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