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806a2aee37
bgwriter is now a much less important process, responsible for page cleaning duties only. checkpointer is now responsible for checkpoints and so has a key role in shutdown. Later patches will correct doc references to the now old idea that bgwriter performs checkpoints. Has beneficial effect on performance at high write rates, but mainly refactoring to more easily allow changes for power reduction by simplifying previously tortuous code around required to allow page cleaning and checkpointing to time slice in the same process. Patch by me, Review by Dickson Guedes |
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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: http://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. Changes between all PostgreSQL releases are recorded in the file HISTORY. 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 http://www.postgresql.org/download/. For more information look at our web site located at http://www.postgresql.org/.