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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

CPU

The CPU is still the heart of the instance, and today most have multiple CPU cores. While CPU is not typically a bottleneck with Cassandra, having more available processing power can give a boost to heavy operational workloads.

One way in which modern CPUs get more processing power is by provisioning a single CPU core into two virtual CPUs. This is known as Hyper-Threading. Hyper-Threading allows a single CPU core to handle multiple tasks in parallel, essentially functioning as if it were two cores. Author and engineer Amy Tobey provides some insight here in her "Amy's Cassandra 2.1 tuning guide," indicating that although many databases (Tobey, 2015) recommend disabling Hyper-Threading, Cassandra has shown to benefit from it.

A production ...

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Publisher Resources

ISBN: 9781789131499Supplemental Content