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PostgreSQL 10 Administration Cookbook - Fourth Edition
book

PostgreSQL 10 Administration Cookbook - Fourth Edition

by Simon Riggs, Gianni Ciolli
May 2018
Intermediate to advanced content levelIntermediate to advanced
576 pages
30h 25m
English
Packt Publishing
Content preview from PostgreSQL 10 Administration Cookbook - Fourth Edition

How it works...

The preceding recipe allows online upgrades with zero data loss because of the use of the clean switchover process. There's no need for lengthy downtime during the upgrade, and there's much reduced risk in comparison with an in-place upgrade. It works best with new hardware, and is a good way to upgrade the hardware or change the disk layout at the same time.

This procedure is also very useful for those cases where binary compatibility is not possible, such as changing server encoding, or migrating the database to a different operating system or architecture, where on-disk format will change as a result of low-level differences, such as endianness and alignment.

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Publisher Resources

ISBN: 9781788474924Supplemental Content