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README.md		README.md

README.md

Comparison With Similar Tools

Content

  1. General
  2. Purpose
  3. Scalability
  4. Input
  5. Output
  6. Load Generation Patterns
  7. Storages Support

1. General

	Mongoose	COSBench	LoadRunner	Locust
License	MIT License	Apache 2.0	Proprietary	MIT License
Open Source	✔️	✔️	❌	✔️

2. Purpose

	Mongoose	COSBench	LoadRunner	Locust
Load testing	✔️	✔️	✔️	✔️
Stress testing	✔️	✔️	✔️	TBD
Endurance testing	✔️	TBD	✔️	TBD

3. Scalability

	Mongoose	COSBench	LoadRunner	Locust
Horizontal (Distributed Mode)	✔️	✔️	TBD	✔️
Vertical (Max sustained concurrency per instance)	1_048_576	1024	TBD	1_000_000

4. Input

	Mongoose	COSBench	LoadRunner	Locust
GUI	✔️	✔️	✔️	✔️
Parameterization	✔️	✔️	TBD	✔️(need to extend the functionality)
Script language	Any JSR-223 compatible	XML	ANSI C, Java, .Net, JS	Python

5. Output

	Mongoose	COSBench	LoadRunner	Locust
Highest-resolution (per each op) metrics	✔️	❌	TBD	❌
Saturation concurrency measurement	✔️	❌	TBD	❌

6. Load Generation Patterns

	Mongoose	COSBench	LoadRunner	Locust
Weighted load	✔️	✔️	TBD	❌
Pipeline load	✔️	❌	TBD	❌
Recycle mode	✔️	❌	TBD	❌

7. Storages Support

Note: Locust and LoadRunner are not designed for the storage performance testing explicitly so they are excluded from the table below

	Mongoose	COSBench
Supported storages	Amazon S3 EMC Atmos OpenStack Swift Filesystem HDFS	Amazon S3 Amplidata OpenStack Swift Scality Ceph Google Cloud Storage Aliyun OSS
Extensible to support custom storage API	✔️	✔️