February 2020
Intermediate to advanced
734 pages
38h 13m
English
Content preview from PostgreSQL 12 High Availability Cookbook - Third Edition
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Monitoring progress
One important step for establishing an upgrade target is to watch and ensure all data from the old cluster successfully migrates to the new one. There are multiple methods for accomplishing this task, and we may choose to try all of them for safety, or just so we know how long we may need to wait until the new cluster is ready.
This recipe will explain a few easy ways to check the state of a subscription while it performs the initial data synchronization.
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