Why Postgres Doesn't Have synchronous_commit=remote_receive?

In distributed database environments, balancing durability and performance is a constant tug-of-war. PostgreSQL’s synchronous_commit parameter sits at the heart of this, giving administrators a dial to choose exactly when a COMMIT returns success to the client. The idea of remote_receive was born from a simple question: does skipping the standby's disk write yield a measurable, real-world…