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Mastering Apache Cassandra 3.x - Third Edition
book

Mastering Apache Cassandra 3.x - Third Edition

by Aaron Ploetz, Tejaswi Malepati
October 2018
Beginner to intermediate content levelBeginner to intermediate
348 pages
10h
English
Packt Publishing
Content preview from Mastering Apache Cassandra 3.x - Third Edition

Forcing read repairs at consistency – ALL

The type of repair isn't really part of the Apache Cassandra repair paradigm at all. When it was discovered that a read repair will trigger 100% of the time when a query is run at ALL consistency, this method of repair started to gain popularity in the community. In some cases, this method of forcing data consistency provided better results than normal, scheduled repairs.

Let's assume, for a second, that an application team is having a hard time logging into a node in a new data center. You try to cqlsh out to these nodes, and notice that you are also experiencing intermittent failures, leading you to suspect that the system_auth tables might be missing a replica or two. On one node you do manage ...

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Publisher Resources

ISBN: 9781789131499Supplemental Content