October 2018
Beginner to intermediate
446 pages
11h 31m
English
Content preview from Mastering PostgreSQL 11 - Second Edition
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Setting up asynchronous replication
Now that we've taken a look at transaction log archiving and PITR, we can focus our attention on one of the most widely used features in the PostgreSQL world today: streaming replication. The idea behind streaming replication is simple. After an initial base backup, the secondary can connect to the master and fetch a transaction log in real time and apply it. Transaction log replay is not a single operation anymore, but rather a continuous process that is supposed to keep running as long as the cluster exists.
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