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ec9e05b3c3
The bug was caused by not re-reading the control file during crash recovery restarts, which lead to an attempt to pfree() shared memory contents. The fix is to re-read the control file, which seems good anyway. It's unclear as of this moment, whether we want to keep the refactoring introduced in the commit referenced above, or come up with an alternative approach. But fixing the bug in the mean time seems like a good idea regardless. A followup commit will introduce regression test coverage for crash restarts. Reported-By: Tom Lane Discussion: https://postgr.es/m/14134.1505572349@sss.pgh.pa.us |
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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/.