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Re: Performance Improvement by reducing WAL for Update Operation - Mailing list pgsql-hackers

From Robert Haas
Subject Re: Performance Improvement by reducing WAL for Update Operation
Date
Msg-id CA+TgmoYGfZDAD4c5W4fK0gAsZF7qSxS_jzJZejKJO9zUZv44Sw@mail.gmail.com
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In response to Re: Performance Improvement by reducing WAL for Update Operation  (Andres Freund <andres@2ndquadrant.com>)
Responses Re: Performance Improvement by reducing WAL for Update Operation  (Andres Freund <andres@2ndquadrant.com>)
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On Mon, Mar 3, 2014 at 9:57 AM, Andres Freund <andres@2ndquadrant.com> wrote:
> Hm, I think all it needs to do disable delta encoding if
> need_tuple_data (which is dependent on wal_level=logical).

Why does it need to do that?  The logical decoding stuff should be
able to reverse out the delta encoding.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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