tldr/pages/common/pg_rewind.md

pg_rewind

Synchronize a PostgreSQL data directory with another data directory that was forked from it. More information: https://www.postgresql.org/docs/current/app-pgrewind.html.

• Synchronize target directory with source directory:

pg_rewind {{[-D|--target-pgdata]}} {{path/to/target_data}} --source-pgdata {{path/to/source_data}}

• Synchronize target with source server using connection string:

pg_rewind {{[-D|--target-pgdata]}} {{path/to/target_data}} --source-server {{connstr}}

• Perform a dry run:

pg_rewind {{[-D|--target-pgdata]}} {{path/to/target_data}} --source-pgdata {{path/to/source_data}} {{[-n|--dry-run]}}

• Show progress during synchronization:

pg_rewind {{[-D|--target-pgdata]}} {{path/to/target_data}} --source-pgdata {{path/to/source_data}} {{[-P|--progress]}}

• Display help:

pg_rewind {{[-?|--help]}}