Latte - Latency Tester for Apache Cassandra

Latte has been written in Rust and uses the native Cassandra driver from Scylla. It features a fully asynchronous, thread-per-core execution engine, capable of running thousands of requests per second from a single thread.

Its features include:

• Compatible with Apache Cassandra 3.x, 4.x, DataStax Enterprise 6.x and ScyllaDB
• Custom workloads with a powerful scripting engine
• Asynchronous queries
• Prepared queries
• Programmable data generation
• Workload parameterization
• Accurate measurement of throughput and response times with error margins
• No coordinated omission
• Configurable number of connections and threads
• Rate and concurrency limiters
• Progress bars
• Beautiful text reports
• Can dump report in JSON
• Side-by-side comparison of two runs
• Statistical significance analysis of differences corrected for auto-correlation