Skip to Content
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

Repair

Sometimes data replicas on one or more Cassandra nodes can get out of sync. There are a variety of reasons for this, including prior network instability, hardware failure, and nodes crashing and staying down past the three-hour hint window. When this happens, Apache Cassandra comes with a repair process that can be run to rectify these inconsistencies.

The repair process does not run on its own, and must be executed manually. Tools such as Reaper for Apache Cassandra allow for some automation, including scheduling cluster repairs.

Conditions that can cause data inconsistencies essentially do so by introducing factors that increase the entropy of the stored replicas. Therefore, Apache Cassandra employs an anti-entropy repair mechanism, ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Mastering Apache Cassandra - Second Edition

Mastering Apache Cassandra - Second Edition

Nishant Neeraj

Publisher Resources

ISBN: 9781789131499Supplemental Content