Thumbtack Technology's blog post presents the results of a NoSQL benchmark testing MongoDB, Apache Cassandra (DataStax), and Couchbase Server on various server configurations for two workloads: Read Intensive and Balanced. MongoDB exhibited low latency for read requests with limited throughput and was constrained by its master/slave topology and database-wide locking. Apache Cassandra showed low latency for write requests but struggled with read performance and throughput, attributed to its design for older server architectures. In contrast, Couchbase Server demonstrated excellent latency and throughput for both read and write operations, benefiting from its effective use of memory and absence of topology and locking issues. Overall, Couchbase Server outperformed the other databases, highlighting its engineering for balanced read and write performance.