NoSQL Performance Benchmark 2018: Couchbase Server v5.5, DataStax Enterprise v6 (Cassandra), and MongoDB v3.6

This 29-page report evaluates the performance of the three most popular NoSQL DBs under different cluster configurations and workloads—using the YCSB benchmarking tool.

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    Why read this?

    NoSQL databases were developed to meet the scalability and agility requirements of today’s high-load applications. So, when deciding on a NoSQL system, it is important to know how the technologies perform under increased workloads.

    This document provides a detailed performance analysis of three popular NoSQL databases: Couchbase Server v5.5, DataStax Enterprise v6 (Cassandra), and MongoDB v3.6. The systems were evaluated on three different cluster configurations—4, 10, and 20 nodes—under the following workloads:

    • an update-heavy mode workload, invoking 50% of reads and 50% of updates
    • a short-range scan workload, with 95% of scans and 5% of updates
    • a pagination workload filtered with an offset and a limit
    • a JOIN workload with grouping and aggregation

    The results of the evaluation are detailed with several comparative tables and 17 performance diagrams.

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