Fix test race between primary XLOG_RUNNING_XACTS and standby logical slot.
Before the previous commit, the test could hang until
LOG_SNAPSHOT_INTERVAL_MS (15s), until checkpoint_timeout (300s), or
indefinitely. An indefinite hang was awfully improbable. It entailed
the test reaching checkpoint_timeout before the
DecodingContextFindStartpoint() of a CREATE SUBSCRIPTION, yet after the
preceding WAL record. Back-patch to v16, which introduced the test.
Bertrand Drouvot, reported by Noah Misch.
Discussion: https://postgr.es/m/[email protected]
Branch
------
REL_16_STABLE
Details
-------
https://git.postgresql.org/pg/commitdiff/c59a97313ba34aeb4b1670307c0228fb94694adb
Modified Files
--------------
src/test/perl/PostgreSQL/Test/Cluster.pm | 46 +++++++++++++++-------
.../recovery/t/035_standby_logical_decoding.pl | 4 +-
2 files changed, 34 insertions(+), 16 deletions(-)