Re: Avoid erroring out when unable to remove or parse logical rewrite files to save checkpoint work

Nathan Bossart <nathandbossart@gmail.com>

From: Nathan Bossart <nathandbossart@gmail.com>
To: Andres Freund <andres@anarazel.de>
Cc: Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com>, "Bossart, Nathan" <bossartn@amazon.com>, Tom Lane <tgl@sss.pgh.pa.us>, Julien Rouhaud <rjuju123@gmail.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2022-02-15T18:37:58Z
Lists: pgsql-hackers
On Tue, Feb 15, 2022 at 10:10:34AM -0800, Andres Freund wrote:
> I generally think it'd be a good exercise to go through an use
> get_dirent_type() in nearly all ReadDir() style loops - it's a nice efficiency
> win in general, and IIRC a particularly big one on windows.
> 
> It'd probably be good to add a reference to get_dirent_type() to
> ReadDir[Extended]()'s docs.

Agreed.  I might give this a try.

-- 
Nathan Bossart
Amazon Web Services: https://aws.amazon.com



Commits

  1. Expand the use of get_dirent_type(), shaving a few calls to stat()/lstat()

  2. fsync pg_logical/mappings in CheckPointLogicalRewriteHeap().

  3. Introduce logical decoding.