Horton

Re: .ready and .done files considered harmful

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: Stephen Frost <sfrost@snowman.net>
Cc: Andres Freund <andres@anarazel.de>, Dilip Kumar <dilipbalaut@gmail.com>, "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>
Date: 2021-05-06T00:28:21Z
Lists: pgsql-hackers 
On Wed, May 5, 2021 at 4:53 PM Stephen Frost <sfrost@snowman.net> wrote:
> I do note that this comment is timeline.c is, ahem, perhaps over-stating
> things a bit:
>
>  * Note: while this is somewhat heuristic, it does positively guarantee
>  * that (result + 1) is not a known timeline, and therefore it should
>  * be safe to assign that ID to a new timeline.

OK, that made me laugh out loud.

-- 
Robert Haas
EDB: http://www.enterprisedb.com

Commits

  1. Reduce overhead of renaming archive status files.

  2. Improve performance of pgarch_readyXlog() with many status files.

  3. Prioritize history files when archiving