New Relic is a performance management system, developed by New Relic, Inc (http://www.newrelic.com). It provides you with deep information about the performance of your Rails or Ruby application as it runs in production. The New Relic Ruby Agent is dual-purposed as a either a Gem or a Rails plugin, hosted on github.

The New Relic Ruby Agent runs in one of two modes:

Code Quality Rank: L3
Monthly Downloads: 1,345,655
Programming language: Ruby
License: Apache License 2.0
Latest version: v6.11.0.365

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Blue banner - Community Plus: This code is currently maintained by New Relic engineering teams and delivered here in GitHub. See the README for troubleshooting and defect reporting instructions.

New Relic Ruby Agent

The New Relic Ruby agent monitors your applications to help you identify and solve performance issues. You can also extend the agent's performance monitoring to collect and analyze business data to help you improve the customer experience and make data-driven business decisions.

The New Relic Ruby agent is dual-purposed as either a Gem or a Rails plugin, hosted on github.

Gem Version

Supported Environments

An up-to-date list of Ruby versions and frameworks for the latest agent can be found on our docs site.

You can also monitor non-web applications. Refer to the "Other Environments" section below.

Installing and Using

The latest released gem for the Ruby agent can be found at Rubygems.org

Quick Start

With Bundler

For using with Bundler, add the Ruby agent to your project's Gemfile.

gem 'newrelic_rpm'

and run bundle install to activate the new gem.

Without Bundler

If you are not using Bundler, install the gem with:

gem install newrelic_rpm

and then require the New Relic Ruby agent in your Ruby start-up sequence:

require 'newrelic_rpm'
Other Environments

Assuming you have installed the agent per above, you may also need to tell the Ruby agent to start for some frameworks and non-framework environments. To do so, add the following to your Ruby start-up sequence start the agent:


Complete Install Instructions

For complete documentation on installing the New Relic Ruby agent, see the following links:

Recording Deploys

The Ruby agent supports recording deployments in New Relic via a command line tool or Capistrano recipes. For more information on these features, see our deployment documentation for more information.


Should you need assistance with New Relic products, you are in good hands with several support diagnostic tools and support channels.

This troubleshooting framework steps you through common troubleshooting questions.

New Relic offers NRDiag, a client-side diagnostic utility that automatically detects common problems with New Relic agents. If NRDiag detects a problem, it suggests troubleshooting steps. NRDiag can also automatically attach troubleshooting data to a New Relic Support ticket.

If the issue has been confirmed as a bug or is a Feature request, please file a GitHub issue.

Support Channels


At New Relic we take your privacy and the security of your information seriously, and are committed to protecting your information. We must emphasize the importance of not sharing personal data in public forums, and ask all users to scrub logs and diagnostic information for sensitive information, whether personal, proprietary, or otherwise.

We define “Personal Data” as any information relating to an identified or identifiable individual, including, for example, your name, phone number, post code or zip code, Device ID, IP address, and email address.

Please review New Relic’s General Data Privacy Notice for more information.


We encourage contributions to improve the New Relic Ruby agent! Keep in mind when you submit your pull request, you'll need to sign the Contributor License Agreement (CLA) via the click-through using CLA-Assistant. You only have to sign the CLA one time per project. If you have any questions, or to execute our corporate CLA (required if your contribution is on behalf of a company), please drop us an email at [email protected].

A note about vulnerabilities

As noted in our security policy, New Relic is committed to the privacy and security of our customers and their data. We believe that providing coordinated disclosure by security researchers and engaging with the security community are important means to achieve our security goals.

If you believe you have found a security vulnerability in this project or any of New Relic's products or websites, we welcome and greatly appreciate you reporting it to New Relic through HackerOne.

If you would like to contribute to this project, please review these guidelines.

To all contributors, we thank you! Without your contribution, this project would not be what it is today. We also host a community project page dedicated to the New Relic Ruby agent.


As of version 6.12 (released July 16, 2020), the New Relic Ruby agent is licensed under the Apache License, Version 2.0. See [LICENSE](LICENSE) for a copy of the license. For older agent versions, check the LICENSE file included with the source code.

The New Relic Ruby agent may use source code from third-party libraries. When used, these libraries will be outlined in [THIRD_PARTY_NOTICES.md](THIRD_PARTY_NOTICES.md).

Thank You

Thank you,

New Relic Ruby agent team

*Note that all licence references and agreements mentioned in the New Relic README section above are relevant to that project's source code only.