Horton

Re: [PoC] pg_upgrade: allow to upgrade publisher node

Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com>

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From: Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com>
To: Amit Kapila <amit.kapila16@gmail.com>
Cc: Peter Smith <smithpb2250@gmail.com>, "Zhijie Hou (Fujitsu)" <houzj.fnst@fujitsu.com>, "Hayato Kuroda (Fujitsu)" <kuroda.hayato@fujitsu.com>, Andres Freund <andres@anarazel.de>, Dilip Kumar <dilipbalaut@gmail.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>, Bruce Momjian <bruce@momjian.us>, Julien Rouhaud <rjuju123@gmail.com>, vignesh C <vignesh21@gmail.com>, Masahiko Sawada <sawada.mshk@gmail.com>
Date: 2023-10-27T03:07:35Z
Lists: pgsql-hackers 
On Fri, Oct 27, 2023 at 8:06 AM Amit Kapila <amit.kapila16@gmail.com> wrote:
>
> > > +1 for s/003_upgrade_logical_replication_slots.pl/003_upgrade_logical_slots.pl
> > > and s/invalid_logical_replication_slots.txt/invalid_logical_slots.txt.
>
> +1. The proposed file name sounds reasonable.
>
> Agreed. So, how about 003_upgrade_logical_slots.pl or simply
> 003_upgrade_slots.pl?
>
> Why not simply oldpub/sub/newpub or old_pub/sub/new_pub?

+1 for invalid_logical_slots.txt, 003_upgrade_logical_slots.pl and
oldpub/sub/newpub. With these changes, the path name is brought down
to ~220 chars. These names look good to me iff other things in the
path name aren't dynamic crossing MAX_PATH limit (260 chars).

C:/tools/nmsys64/home/pgrunner/bf/root/HEAD/pgsql.build/testrun/pg_upgrade/003_upgrade_logical_slots/data/t_003_upgrade_logical_slots_newpub_data/pgdata/pg_upgrade_output.d/20231026T112558.309/invalid_logical_slots.txt

-- 
Bharath Rupireddy
PostgreSQL Contributors Team
RDS Open Source Databases
Amazon Web Services: https://aws.amazon.com

Commits

  1. Fix issues in binary_upgrade_logical_slot_has_caught_up().

  2. Fix a random failure in 003_logical_slots.pl.

  3. Fix a test in 003_logical_slots.

  4. Fix uninitialized slot array access during the upgrade.

  5. Fix the test 003_logical_slots.

  6. Commit b195e6d482 forgot to update meson.build.

  7. Use shorter file names in the upgrade logical slots test.

  8. Migrate logical slots to the new node during an upgrade.

  9. Flush logical slots to disk during a shutdown checkpoint if required.

  10. Prevent possibility of panics during shutdown checkpoint.