Let’s review several popular solutions that increase the high availability of PostgreSQL deployments and, as a result, the overall application. It is shown how to approach the high availability for the following four PostgreSQL deployment scenarios:
1. Single primary database instance
2. Single primary database instance with read replicas
3. Multi-master deployment (sharded PostgreSQL with a coordinator, e.g. CitusData)
4. Multi-master (sharded PostgreSQL without the coordinator, e.g. YugabyteDB)

To learn more, read our guide to PostgreSQL high availability options: https://www.yugabyte.com/postgresql/p...

0:00 - Intro
0:31 - Widespread PostgreSQL deployment options
1:38 - High availability (HA) vs. disaster recovery
2:23 - HA with a single PostgreSQL database instance
6:34 - HA with a single primary instance and read replicas
8:04 - Sharding and horizontal scalability
9:06 - HA with multi-master deployments with coordinator (e.g. CitusData)
12:40 - HA for multi-master deployments without coordinator (e.g. YugabyteDB)
16:08 - Summary

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