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The documentation for pg_replication_slots previously mentioned only max_slot_wal_keep_size as a condition under which the wal_status column could show unreserved or lost. However, since commitbe87200
, replication slots can also be invalidated due to horizon or wal_level, and since commitac0e33136a
, idle_replication_slot_timeout can also trigger this state. This commit updates the description of the wal_status column to reflect that max_slot_wal_keep_size is not the only cause of the lost state. Back-patched to v16, where the additional invalidation cases were introduced. Author: Fujii Masao <masao.fujii@gmail.com> Reviewed-by: Hayato Kuroda <kuroda.hayato@fujitsu.com> Reviewed-by: Nisha Moond <nisha.moond412@gmail.com> Discussion: https://postgr.es/m/78b34e84-2195-4f28-a151-5d204a382fdd@oss.nttdata.com Backpatch-through: 16
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/.
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