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WAL (and timeline history) files created by pg_basebackup did not maintain the new base backup's archive status. That's currently not a problem if the new node is used as a standby - but if that node is promoted all still existing files can get archived again. With a high wal_keep_segment settings that can happen a significant time later - which is quite confusing. Change both the backend (for the -x/-X fetch case) and pg_basebackup (for -X stream) itself to always mark WAL/timeline files included in the base backup as .done. That's in line with walreceiver.c doing so. The verbosity of the pg_basebackup changes show pretty clearly that it needs some refactoring, but that'd result in not be backpatchable changes. Backpatch to 9.1 where pg_basebackup was introduced. Discussion: 20141205002854.GE21964@awork2.anarazel.de
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. 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/.