Re: max_slot_wal_keep_size and wal_keep_segments - Mailing list pgsql-hackers

From Alvaro Herrera
Subject Re: max_slot_wal_keep_size and wal_keep_segments
Date
Msg-id 20200701145428.GA7427@alvherre.pgsql
Whole thread Raw
In response to Re: max_slot_wal_keep_size and wal_keep_segments  (Fujii Masao <masao.fujii@oss.nttdata.com>)
Responses Re: max_slot_wal_keep_size and wal_keep_segments
List pgsql-hackers
On 2020-Jul-01, Fujii Masao wrote:

> On 2020/07/01 12:26, Alvaro Herrera wrote:
> > On 2020-Jun-30, Fujii Masao wrote:
> > 
> > > When I talked about max_slot_wal_keep_size as new feature in v13
> > > at the conference, I received the question like "Why are the units of
> > > setting values in max_slot_wal_keep_size and wal_keep_segments different?"
> > > from audience. That difference looks confusing for users and
> > > IMO it's better to use the same unit for them. Thought?
> > 
> > Do we still need wal_keep_segments for anything?
> 
> Yeah, personally I like wal_keep_segments because its setting is very
> simple and no extra operations on replication slots are necessary.

Okay.  In that case I +1 the idea of renaming to wal_keep_size.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services



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