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Clarify how special wal_sender_shutdown_timeout values affect shutdown waiting. A value of -1 disables the shutdown timeout and lets the WAL sender wait for the receiver to catch up, while 0 causes immediate termination without waiting for catch-up. Positive values bound how long shutdown waits, so document that they should be high enough for WAL data to be replicated under normal circumstances. Update the main documentation, the GUC long description, and postgresql.conf.sample consistently. While here, fix nearby paragraph indentation and spacing. Backpatch to v19, where wal_sender_shutdown_timeout was introduced. Author: Chao Li <lic@highgo.com> Reviewed-by: Ian Barwick <barwick@gmail.com> Reviewed-by: Daniel Gustafsson <daniel@yesql.se> Reviewed-by: Fujii Masao <masao.fujii@gmail.com> Discussion: https://postgr.es/m/AF4FE756-A220-4DA7-87B7-A126F3F307FD@gmail.com Backpatch-through: 19
PostgreSQL Database Management System
This directory contains the source code distribution of the PostgreSQL database management system.
PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings.
Copyright and license information can be found in the file COPYRIGHT.
General documentation about this version of PostgreSQL can be found at https://www.postgresql.org/docs/19/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/19/installation.html.
The latest version of this software, and related software, may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.