Horton

Re: Testing autovacuum wraparound (including failsafe)

Andres Freund <andres@anarazel.de>

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From: Andres Freund <andres@anarazel.de>
To: Anastasia Lubennikova <lubennikovaav@gmail.com>
Cc: pgsql-hackers <pgsql-hackers@postgresql.org>, Peter Geoghegan <pg@bowt.ie>
Date: 2021-06-11T01:18:50Z
Lists: pgsql-hackers

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Hi,

On 2021-06-10 16:42:01 +0300, Anastasia Lubennikova wrote:
> Cool. Thank you for working on that!
> Could you please share a WIP patch for the $subj? I'd be happy to help with
> it.

I've attached the current WIP state, which hasn't evolved much since
this message... I put the test in src/backend/access/heap/t/001_emergency_vacuum.pl
but I'm not sure that's the best place. But I didn't think
src/test/recovery is great either.

Regards,

Andres

Commits

  1. Fix meson installation of xid_wraparound test.

  2. Add tests for XID wraparound.

  3. Add option to specify timeout seconds to BackgroundPsql.pm.

  4. Fix wrong description of BackgroundPsql's timeout.

  5. Refactor background psql TAP functions

  6. Consider triggering VACUUM failsafe during scan.

  7. Fix autovacuum log output heap truncation issue.