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Bhis commit introduces enhancements to the pg_stat_checkpointer view by adding three new columns: restartpoints_timed, restartpoints_req, and restartpoints_done. These additions aim to improve the visibility and monitoring of restartpoint processes on replicas. Previously, it was challenging to differentiate between successful and failed restartpoint requests. This limitation arises because restartpoints on replicas are dependent on checkpoint records from the primary, and cannot occur more frequently than these checkpoints. The new columns allow for clear distinction and tracking of restartpoint requests, their triggers, and successful completions. This enhancement aids database administrators and developers in better understanding and diagnosing issues related to restartpoint behavior, particularly in scenarios where restartpoint requests may fail. System catalog is changed. Catversion is bumped. Discussion: https://postgr.es/m/99b2ccd1-a77a-962a-0837-191cdf56c2b9%40inbox.ru Author: Anton A. Melnikov Reviewed-by: Kyotaro Horiguchi, Alexander Korotkov
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/.