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2 Failover Manager - Overview

Traditionally, a cluster is a single instance of Postgres managing multiple databases. In this document, the term cluster refers to a Failover Manager cluster. A Failover Manager cluster consists of a Master agent, one or more Standby agents, and an optional Witness agent that reside on servers in a cloud or on a traditional network and communicate using the JGroups toolkit.
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2 Failover Manager - Overview

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