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This changes the default values of the following parameters: wal_level = replica max_wal_senders = 10 max_replication_slots = 10 in order to make it possible to make a backup and set up simple replication on the default settings, without requiring a system restart. Discussion: https://postgr.es/m/CABUevEy4PR_EAvZEzsbF5s+V0eEvw7shJ2t-AUwbHOjT+yRb3A@mail.gmail.com Reviewed by Peter Eisentraut. Benchmark help from Tomas Vondra.
Test extensions and libraries ============================= src/test/modules contains PostgreSQL extensions that are primarily or entirely intended for testing PostgreSQL and/or to serve as example code. The extensions here aren't intended to be installed in a production server and aren't suitable for "real work". Most extensions have their own pg_regress tests or isolationtester specs. Some are also used by tests elsewhere in the tree. If you're adding new hooks or other functionality exposed as C-level API this is where to add the tests for it.