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Once a relation's autovacuum is completed, the logs include more information about this relation state if the threshold of log_autovacuum_min_duration (or its relation option) is reached, with for example contents about the statistics of the VACUUM operation for the relation, WAL and system usage. This commit adds more information about the statistics of the relation's indexes, with one line of logs generated for each index. The index stats were already calculated, but not printed in the context of autovacuum yet. While on it, some refactoring is done to keep track of the index statistics directly within LVRelStats, simplifying some routines related to parallel VACUUMs. Author: Masahiko Sawada Reviewed-by: Michael Paquier, Euler Taveira Discussion: https://postgr.es/m/CAD21AoAy6SxHiTivh5yAPJSUE4S=QRPpSZUdafOSz0R+fRcM6Q@mail.gmail.com |
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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/.