October 2023
Intermediate to advanced
744 pages
15h 51m
English
Content preview from Learn PostgreSQL - Second Edition
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17
Physical Replication
When a database, after passing the development and testing phases, arrives in production, the first problem that the DBA must address is managing replicas. Replicas must be managed in real time and automatically updated. Replicas allow us to always have a copy of our data updated in real time on another machine. This machine can be placed in the same data center as our data or in a different one. This chapter differs from all that we have seen previously in that we will talk about physical replication. In PostgresSQL, starting from version 9.x, it is possible to have physical replication natively. We will talk about what physical replication means, and we will see how to create a replica server and how to manage it. We ...
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