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Similarly to the set of parameters for keepalive, a connection parameter for libpq is added as well as a backend GUC, called tcp_user_timeout. Increasing the TCP user timeout is useful to allow a connection to survive extended periods without end-to-end connection, and decreasing it allows application to fail faster. By default, the parameter is 0, which makes the connection use the system default, and follows a logic close to the keepalive parameters in its handling. When connecting through a Unix-socket domain, the parameters have no effect. Author: Ryohei Nagaura Reviewed-by: Fabien Coelho, Robert Haas, Kyotaro Horiguchi, Kirk Jamison, Mikalai Keida, Takayuki Tsunakawa, Andrei Yahorau Discussion: https://postgr.es/m/EDA4195584F5064680D8130B1CA91C45367328@G01JPEXMBYT04 |
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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. PostgreSQL has many language interfaces, many of which are listed here: https://www.postgresql.org/download See the file INSTALL for instructions on how to build and install PostgreSQL. That file also lists supported operating systems and hardware platforms and contains information regarding any other software packages that are required to build or run the PostgreSQL system. Copyright and license information can be found in the file COPYRIGHT. A comprehensive documentation set is included in this distribution; it can be read as described in the installation instructions. The latest version of this software may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.