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Before v17, WAL senders can shut down after the checkpointer. If a WAL
sender still has pending statistics when the checkpointer has already
exited, its shutdown callback may attempt to report those statistics and
trigger assertions in pgstats. In that case, the pending statistics are
lost.
This commit adjusts the assertion handling so that attempts to report
pending WAL sender statistics after the checkpointer has completed its
final stats flush are skipped.
Preserving the existing assertion would require backpatching an
equivalent of
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| README.git | ||
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/.