Re: Renaming of pg_xlog and pg_clog

Joshua D. Drake <jd@commandprompt.com>

From: "Joshua D. Drake" <jd@commandprompt.com>
To: Michael Paquier <michael.paquier@gmail.com>, PostgreSQL mailing lists <pgsql-hackers@postgresql.org>
Date: 2016-08-26T15:13:04Z
Lists: pgsql-hackers
On 08/25/2016 07:39 PM, Michael Paquier wrote:
> Hi all,
>
> I am relaunching $subject as 10 development will begin soon. As far as
> I know, there is agreement that we can do something here. Among the
> different proposals I have found:
> - pg_clog renamed to pg_commit_status, pg_xact or pg_commit
> - pg_xlog renamed to pg_xjournal, pg_wal or pg_journal

I think the use of the pg_ prefix is redundant. Just a directory called: 
wal will do (for example).

In reference to pg_xlog specifically, it should be wal. It is the Write 
Ahead Log, not the Journal (although I recognize they can be 
synonymous). All the documentation talks about Write Ahead Log.

Sincerely,

JD


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Commits

  1. Rename "pg_clog" directory to "pg_xact".

  2. Improve error reporting in pg_upgrade's file copying/linking/rewriting.