Horton

Re: patch to allow disable of WAL recycling

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Cc: Jerry Jelinek <jerry.jelinek@joyent.com>, Andres Freund <andres@anarazel.de>, "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>
Date: 2018-07-18T01:01:03Z
Lists: pgsql-hackers 
On Tue, Jul 17, 2018 at 3:12 PM, Peter Eisentraut
<peter.eisentraut@2ndquadrant.com> wrote:
> The actual implementation could use another round of consideration.  I
> wonder how this should interact with min_wal_size.  Wouldn't
> min_wal_size = 0 already do what we need (if you could set it to 0,
> which is currently not possible)?

Hmm, would that actually disable recycling, or just make it happen only rarely?

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

Commits

  1. Add wal_recycle and wal_init_zero GUCs.

  2. Add GUC and storage parameter to set the maximum size of GIN pending list.