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• Please post questions inDiscussions not Issues.
• nGrinder 3.5.5-p1 version is now available. Check the changes athere.

nGrinder is a platform for stress tests that enables you to execute script creation, test execution, monitoring, and result report generator simultaneously. The open-source nGrinder offers easy ways to conduct stress tests by eliminating inconveniences and providing integrated environments.

• Want to know what's changed from the orginal grinder platform?

  Checkouthttps://github.com/naver/ngrinder/wiki/Architecture!

• To get started,

  checkouthttps://github.com/naver/ngrinder/wiki/User-Guide!

nGrinder consists of two major components.

• nGrinder controller

  a web application that enables the performance tester to create a test script and configure a test run

• nGrinder agent

  a virtual user generator that creates loads.

Features

• Use Jython or Groovy script to create test scenario and generate stress in JVM using multiple agents.
• Extend tests with custom libaries(jar, py, maven dependencies). It's unlimited.
• Provide web-based interface for project management, monitoring, result management and report management.
• Develop and test Groovy script in your IDE and run it in distributed agents.
• Run multiple tests concurrently. Assign the preinstalled multiple agents to maximize each agent's utilization.
• Deploy agents on multiple network regions. Execute tests on various network locations
• Embed Subversion to manage scripts.
• Allow to monitor the state of agents generating stress and target machines receiving stress
• Proven solution which is used to test huge systems having more than 100 million users.

Download

You can download latest version in the following link/

• https://github.com/naver/ngrinder/releases

Quick start

You can start nGrinder by executing following command.

java -jar ngrinder-controller-{version}.war

And then access it by using a browser.http://localhost:8080

Documentation

You can find the installation guide at the following link.

• https://github.com/naver/ngrinder/wiki/Installation-Guide

You can find the user guide at the following link.

• https://github.com/naver/ngrinder/wiki/User-Guide

Road Map

Check out our roadmap :

• https://github.com/naver/ngrinder/wiki/Roadmap

Contribution?

nGrinder welcomes all contributions from users. Please make all pull requests against master branches.

• Clone the REPO: 'git clone git://github.com/naver/ngrinder.git'

• https://github.com/naver/ngrinder/wiki/Dev-Document

Versioning

For transparency and insight into our release cycle, and to strive to maintain backward compatibility, nGrinder will be maintained under the Semantic Versioning guidelines to the greatest extent possible.

Releases will be numbered in the following format:

<major>.<minor>.<patch>

Releases will be constructed based on the following guidelines:

• Breaking backward compatibility bumps the major (and resets the minor and patch)
• New additions without breaking backward compatibility bump the minor (and reset the patch)
• Bug fixes and misc changes bump the patch

Q/A and Bug tracker

Found a bug? Got an idea for an enhancement? Please create an issue here on GitHub so you can notify us!

• https://github.com/naver/ngrinder/issues

You can join the our mailing list.

• nGrinder developer mailing list
• nGrinder user forum
• nGrinder 中文论坛 (Chinese)
• nGrinder 한국어 유저 포럼 (Korean)
• nGrinder 日本語使用者フォーラム (Japanese)

Copyright and license

Copyright 2012-present NAVER Corp.     Licensed under the Apache License, Version 2.0 (the "License");     you may not use this file except in compliance with the License.     You may obtain a copy of the License at     http://www.apache.org/licenses/LICENSE-2.0     Unless required by applicable law or agreed to in writing, software     distributed under the License is distributed on an "AS IS" BASIS,     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.     See the License for the specific language governing permissions and     limitations under the License.

nGrinder includes the following software and libraries. See the LICENSE folder for thes license and copyright details for each.

• https://github.com/naver/ngrinder/blob/master/LICENSE