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Previously pg_log_backend_memory_contexts() could request to log the memory contexts of backends, but not of auxiliary processes such as checkpointer. This commit enhances the function so that it can also send the request to auxiliary processes. It's useful to look at the memory contexts of those processes for debugging purpose and better understanding of the memory usage pattern of them. Note that pg_log_backend_memory_contexts() cannot send the request to logger or statistics collector. Because this logging request mechanism is based on shared memory but those processes aren't connected to that. Author: Bharath Rupireddy Reviewed-by: Vignesh C, Kyotaro Horiguchi, Fujii Masao Discussion: https://postgr.es/m/CALj2ACU1nBzpacOK2q=a65S_4+Oaz_rLTsU1Ri0gf7YUmnmhfQ@mail.gmail.com |
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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/.