3rd October 2019: PostgreSQL 12 Released!
Supported Versions: Current (12) / 11 / 10 / 9.6 / 9.5 / 9.4
Development Versions: devel
Unsupported versions: 9.3 / 9.2
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G.2. Server Applications

Table of Contents
pg_archivecleanup -- clean up PostgreSQL WAL archive files
pg_standby -- supports the creation of a PostgreSQL warm standby server
pg_test_fsync -- determine fastest wal_sync_method for PostgreSQL
pg_test_timing -- measure timing overhead
pg_upgrade -- upgrade a PostgreSQL server instance

This section covers PostgreSQL server-related applications in contrib. They are typically run on the host where the database server resides. See also Reference III, PostgreSQL Server Applications for information about server applications that part of the core PostgreSQL distribution.