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pg_auto_failover_12 - Postgres extension and service for automated failover and high-availability
- Description:
pg_auto_failover is an extension and service for PostgreSQL that monitors and
manages automated failover for a Postgres cluster. It is optimized for
simplicity and correctness and supports Postgres 10 and newer.
We set up one PostgreSQL server as a monitor node as well as a primary and
secondary node for storing data. The monitor node tracks the health of the
data nodes and implements a failover state machine. On the PostgreSQL nodes,
the pg_autoctl program runs alongside PostgreSQL and runs the necessary
commands to configure synchronous streaming replication.
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