> Since stopping or restarting the postgres servers would involve complete > invalidation of the connection pool [Java/JEE app server pool] that may take > a few minutes before the application becomes usable, it would be great if > there is a way we can disable replication [for maintenance reasons like > applying patches or upgrades, etc].
I think even applying patches or upgrades needs restart.
3. send SIGTERM signal to currently-running walsender process, e.g., by "select pg_terminate_backend(pid) from pg_stat_replication".
Will it be helpful here sending SIGINT instead of killing ?
