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

Hayato Kuroda (Fujitsu) <kuroda.hayato@fujitsu.com>

From: "Hayato Kuroda (Fujitsu)" <kuroda.hayato@fujitsu.com>
To: 'Amit Kapila' <amit.kapila16@gmail.com>, Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com>
Cc: "Zhijie Hou (Fujitsu)" <houzj.fnst@fujitsu.com>, Peter Smith <smithpb2250@gmail.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: 2023-10-25T08:05:08Z
Lists: pgsql-hackers

Attachments

Dear Amit,

Based on your advice, I revised the patch again. 

> >
> > I spent some time on the v57 patch and it looks good to me - tests are
> > passing, no complaints from pgindent and pgperltidy. I turned the CF
> > entry https://commitfest.postgresql.org/45/4273/ to RfC.
> >
> 
> Thanks, the patch looks mostly good to me but I am not convinced of
> keeping the tests across versions in this form. I don't think they are
> tested in BF, only one can manually create a setup to test.

I analyzed and agreed that current BF client does not use TAP test framework
for cross-version checks.

> Shall we
> remove it for now and then consider it separately?

OK, some parts for cross-checks were removed.

> Apart from that, I have made minor modifications in the docs to adjust
> the order of various prerequisites.

Thanks, included.

Best Regards,
Hayato Kuroda
FUJITSU LIMITED

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.