4 ms·
That still only has one primary: you can't just start pointing writes at the upgraded standbys. Synchronous replication (besides having its own downsides) just
by bastawhiz 2y ago
That still only has one primary: you can't just start pointing writes at the upgraded standbys. Synchronous replication (besides having its own downsides) just shortens the time needed for the replicas to catch up. You still need to perform a cutover.