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When upgrading from servers of versions 9.2 and older, and MultiXactIds have been used in the old server beyond the first page (that is, 2048 multis or more in the default 8kB-page build), pg_upgrade would set the next multixact offset to use beyond what has been allocated in the new cluster. This would cause a failure the first time the new cluster needs to use this value, because the pg_multixact/offsets/ file wouldn't exist or wouldn't be large enough. To fix, ensure that the transient server instances launched by pg_upgrade extend the file as necessary. Per report from Jesse Denardo in CANiVXAj4c88YqipsyFQPboqMudnjcNTdB3pqe8ReXqAFQ=HXyA@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: 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/.