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Michael Paquier
d75146456f
The test did not wait for the standby to be connected to the primary.
This breaks one assumption at the beginning of the test, where the
primary is stopped to ensure that all its records are flushed to both
standbys before moving on with its next steps.
If standby_1 finishes ahead of standby_2, the test would be able work
fine as the former waits for the latter. The opposite is not true,
standby_2 getting ahead of standby_1 would cause the test to fail on
timeout when standby_1 attempts to connect to standby_2.
This commit adds an additional polling query after the two standbys are
started, checking that both standbys are connected to the primary before
processing with the initial steps of the test.
Like 7185eddf05, backpatch down to v14.
Author: Sergey Tatarintsev <s.tatarintsev@postgrespro.ru>
Reviewed-by: Ewan Young <kdbase.hack@gmail.com>
Discussion: https://postgr.es/m/fea4190e-f8b5-4432-a52d-bcbee5f34366@postgrespro.ru
Backpatch-through: 14
PostgreSQL Database Management System ===================================== This directory contains the source code distribution of the PostgreSQL database management system. PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings. PostgreSQL has many language interfaces, many of which are listed here: https://www.postgresql.org/download/ See the file INSTALL for instructions on how to build and install PostgreSQL. That file also lists supported operating systems and hardware platforms and contains information regarding any other software packages that are required to build or run the PostgreSQL system. Copyright and license information can be found in the file COPYRIGHT. A comprehensive documentation set is included in this distribution; it can be read as described in the installation instructions. The latest version of this software may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.