On Sat, 2024-06-08 at 05:37 +0800, yanliang lei wrote: > there is the following description in the > https://www.postgresql.org/docs/current/runtime-config-connection.html： > > A value of 0 (the default) selects the operating system's default. > but there is no description about“ the operating system's default > value in the linux is tcp_keepalive_time kernel parameter”
Documenting the defaults for each supported operating system is not PostgreSQL's task. In this article[1], I figured out the defaults for Linux, MacOS and Windows. Yours, Laurenz Albe [1]: https://www.cybertec-postgresql.com/en/tcp-keepalive-for-a-better-postgresql-experience/#defaults
