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Mongo instrumentation

The Ruby agent has built-in instrumentation for MongoDB queries made via the mongo gem.

Supported gems

This summarizes the Ruby agent's support for gems by version.

Gem version


mongo 1.8 and 1.9

Supported by New Relic's Ruby agent 3.7.1 or higher

mongo 2.0

Not supported

mongo 2.1 or higher

Requires New Relic's Ruby agent 3.13.1 or higher

Other gems

Support for Mongoid 2/3/4 and Moped currently is available only via third-party gems. For links to the relevant projects, see extends_newrelic_rpm.

Third-party and extends_newrelic_rpm instrumentation

The extends_newrelic_rpm and newrelic_mongo gems both provide basic instrumentation for mongo. New Relic does not recommend running Mongo instrumentation via these gems alongside the Ruby agent's built-in Mongo support. This might double-count metrics such as overall database time.

Also, the extends_newrelic_rpm and newrelic_mongo gems both use a distinct setting that can be used to disable them if removing those gems entirely isn't possible in your environment. For those third party gems, set disable_mongodb: false in your newrelic.yml.

Disabling instrumentation

To disable Mongo instrumentation in the agent, add the following to your newrelic.yml:

disable_mongo: true
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