| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Stephen Frost <sfrost(at)snowman(dot)net> |
| Cc: | Daniel Verite <daniel(at)manitou-mail(dot)org>, Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, Vladimir Rusinov <vrusinov(at)google(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Euler Taveira <euler(at)timbira(dot)com(dot)br>, David Steele <david(at)pgmasters(dot)net>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Jim Nasby <Jim(dot)Nasby(at)bluetreble(dot)com>, Cynthia Shang <cynthia(dot)shang(at)crunchydata(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [PATCH] Rename pg_switch_xlog to pg_switch_wal |
| Date: | 2017-02-03 21:39:08 |
| Message-ID: | CA+TgmoYp_M=Ox5vfWN1FKj2WekAW0c3+rK6aXYLhLZ0P=8N_Vw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, Feb 3, 2017 at 5:21 AM, Stephen Frost <sfrost(at)snowman(dot)net> wrote:
> Daniel,
>
> * Daniel Verite (daniel(at)manitou-mail(dot)org) wrote:
>> What if we look at the change from the pessimistic angle?
>> An example of confusion that the change would create:
>> a lot of users currently choose pg_wal for the destination
>> directory of their archive command. Less-informed users
>> that set up archiving and/or log shipping in PG10 based on
>> advice online from previous versions will be fairly
>> confused about the missing pg_xlog, and the fact that the
>> pg_wal directory they're supposed to create already exists.
>
> One would hope that they would realize that's not going to work
> when they set up PG10. If they aren't paying attention sufficient
> to realize that then it seems entirely likely that they would feel
> equally safe removing the contents of a directory named 'pg_xlog'.
So... somebody want to tally up the votes here?
And... was this discussed at the FOSDEM developer meeting?
(Please say yes.)
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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