AWS Cassandra: Cassandra, NUMA and EC2

AWS Cassandra and NUMA The i3.8xlarge, c4.8xlarge, m4.10xlarge, and above EC2 instance types use more than 1 CPU, which means NUMA controls are available. A good read on this is from Al Tolbert’s blog post. The quickest way to tell if a machine is NUMA is to run “numactl –hardware”. -Al Tobey blog post on Cassandra tuning NUMA stands for Non-Uniform Memory Architecture. Modern x86 CPUs contain an integrated memory controller.

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