postgresql

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History

Michael Paquier d9ade6f2d4 Fix handling of orphaned 2PC files in the future at recovery Before `728bd991c3`, that has improved the support for 2PC files during recovery, the initial logic scanning files in pg_twophase was done so as files in the future of the transaction ID horizon were checked first, followed by a check if a transaction ID is aborted or committed which could involve a pg_xact lookup. After this commit, these checks have been done in reverse order. Files detected as in the future do not have a state that can be checked in pg_xact, hence this caused recovery to fail abruptly should an orphaned 2PC file in the future of the transaction ID horizon exist in pg_twophase at the beginning of recovery. A test is added to check for this scenario, using an empty 2PC with a transaction ID large enough to be in the future when running the test. This test is added in 16 and older versions for now. 17 and newer versions are impacted by a second bug caused by the addition of the epoch in the 2PC file names. An equivalent test will be added in these branches in a follow-up commit, once the second set of issues reported are fixed. Author: Vitaly Davydov, Michael Paquier Discussion: https://postgr.es/m/11e597-676ab680-8d-374f23c0@145466129 Backpatch-through: 13		2024-12-30 08:06:43 +09:00
..
t	Fix handling of orphaned 2PC files in the future at recovery	2024-12-30 08:06:43 +09:00
.gitignore	Minor tweaks for new src/test/recovery	2016-02-29 18:16:59 -03:00
Makefile	Fix old-fd issues using global barriers everywhere.	2022-05-07 16:47:29 +12:00
README	Doc: update recovery/README.	2022-07-23 16:10:38 -04:00

README

src/test/recovery/README

Regression tests for recovery and replication
=============================================

This directory contains a test suite for recovery and replication.

Running the tests
=================

NOTE: You must have given the --enable-tap-tests argument to configure.
Also, to use "make installcheck", you must have built and installed
contrib/pg_prewarm and contrib/test_decoding in addition to the core code.

Run
    make check
or
    make installcheck
You can use "make installcheck" if you previously did "make install".
In that case, the code in the installation tree is tested.  With
"make check", a temporary installation tree is built from the current
sources and then tested.

Either way, this test initializes, starts, and stops several test Postgres
clusters.

See src/test/perl/README for more info about running these tests.