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It used to check if the target server is connected to the primary server (send required WAL) to rapidly react when the process won't succeed. This code is not enough to guarantee that the recovery process will complete. There is a window between the walreceiver shutdown and the pg_is_in_recovery() returns false that can reach NUM_CONN_ATTEMPTS attempts and fails. Instead, rely only on the --recovery-timeout option to give up the process after the specified number of seconds. This should help with buildfarm failures on slow machines. Author: Euler Taveira <euler.taveira@enterprisedb.com> Reviewed-by: Hayato Kuroda <kuroda.hayato@fujitsu.com> Discussion: https://www.postgresql.org/message-id/776c5cac-5ef5-4001-b1bc-5b698bc0c62a%40app.fastmail.com
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/devel/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/devel/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/.