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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

Commitlog mount point

One piece of advice, going back to the early days of Apache Cassandra, was to ensure that the commitlog was on a different physical mount point than the data drives. This is because disk I/O could become bottlenecked at the device level during periods of heavy writes. Putting the commitlog and data directories on separate mount points can alleviate this contention.

As solid state drive (SSD) technology evolved, it was discovered that this was less of an issue than it is with spinning disks. However, the era of cloud computing has significantly muddied the waters on this issue. For convenience and versatility, we have traded away specific knowledge of our backend. Even if you continue to separate them, it's still possible ...

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Publisher Resources

ISBN: 9781789131499Supplemental Content