7b745d85b8
predicate.c has been using SerialSLRULock (the control lock for its SLRU structure) to coordinate access to SerialControlData, another of its numerous shared memory structures; this is unnecessary and confuses further SLRU scalability work. Create a separate LWLock to cover SerialControlData. Extracted from a larger patch from the same author, and some additional changes by Álvaro. Author: Dilip Kumar <dilip.kumar@enterprisedb.com> Discussion: https://postgr.es/m/CAFiTN-vzDvNz=ExGXz6gdyjtzGixKSqs0mKHMmaQ8sOSEFZ33A@mail.gmail.com
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/.