TOOL SIGNAL / ACTIVE

YCSB

Yahoo Research

Database Benchmarking Open Source Self-hosted
Pricing model
Free; Apache License 2.0.
First released
2010
Last verified
Answer

YCSB provides common read, update, insert, and scan workloads through a Java command-line framework with database bindings. It is used to compare key-value, document, wide-column, and other serving systems under consistent workload definitions.

About

YCSB provides common read, update, insert, and scan workloads through a Java command-line framework with database bindings. It is used to compare key-value, document, wide-column, and other serving systems under consistent workload definitions.

Best for

  • Database throughput, transaction latency, and capacity benchmarks
  • Teams that prefer open-source licensing and self-hosting options
  • Groups comfortable scripting in Java

Not the best fit when

  • Teams unwilling to operate generators, results storage, and scaling

Architecture and concurrency

YCSB is operated as a database benchmark with Java. Workload definitions and database sessions determine concurrency, while results focus on throughput and latency rather than browser journeys.

Specs

CATALOG LAST VERIFIED · 2026-08-12 · CURATED BY NAVEENKUMAR NAMACHIVAYAM

Frequently asked

ANSWER-SHAPED
Who is YCSB for?

YCSB is best for engineers measuring database throughput, transaction latency, and capacity. It is open source, so teams can self-host and extend it. Vendor: Yahoo Research. Deployment model: self-hosted. Free; Apache License 2.0. Confirm details against the official site and a short proof-of-concept in your environment.

How does YCSB differ from BenchBase?

Compared with BenchBase, scripting centers on Java rather than Java, XML. YCSB lists protocols JDBC, Redis, MongoDB, Cassandra; BenchBase lists JDBC, SQL. Status is active versus active. Use the Test Rig to compare full specs side by side before a proof-of-concept.

What scripting language and concurrency model does YCSB use?

YCSB uses Java for scripting or scenario definition. Runtime model: code-first scenarios where virtual users execute scripted behavior under load. OS support: Windows, macOS, Linux. Protocols: JDBC, Redis, MongoDB, Cassandra. Match these to how your team already authors tests and which systems you must drive under load.

What is the cloud or enterprise path for YCSB?

YCSB is a focused benchmark harness rather than a browser or enterprise load controller. Use its measured workload and reporting model to isolate database or code performance before broader system testing. As open source, commercial support or hosted siblings may exist separately. Check the official site. Pricing note: Free; Apache License 2.0.

What are known limitations of YCSB?

YCSB limitations to weigh: self-hosted tools require you to provision, scale, and observe load generators yourself. Status: active. Always validate against your target protocols and scale with a proof-of-concept. Confirm details against the official site and a short proof-of-concept in your environment.