Apache Cassandra 4.0 vs. Scylla 4.4: Comparing Performance

TL;DR Scylla Open Source 4.4 vs. Cassandra 4.0 Results

Limitations of Our Testing

Cluster of Three i3.4xlarge Nodes

3-Node Test Setup

Throughput and Latencies

“Real-life” (Gaussian) Distribution

Uniform Distribution (disk-intensive, low cache hit ratio)

Uniform Distribution (memory-intensive, high cache hit ratio)

Adding Nodes

“4 vs. 40” Benchmark

4 vs. 40 Node Setup

Throughput and Latencies

Scaling the cluster up by 25%


Supplementary Information

Cassandra 3.11 configuration

Cassandra 4.0 configuration

Cassandra-stress parameters



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