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InfluxDB + Grafana

Want some graphs? It's simpler than you think, using InfluxDB for data storage and Grafana for visualization.

Grafana Visualization

Installing InfluxDB and Grafana


Full installation instructions are available in the InfluxDB docs.

$ sudo apt install influxdb
$ brew install influxdb


Full installation instructions are available in the Grafana docs.

$ sudo apt install grafana
$ brew install grafana

After this, you should have an InfluxDB server running on localhost, listening on port 8086, and a Grafana server on `http://localhost:3000`

Using InfluxDB to store results

k6 has built-in support for outputting results data directly to an InfluxDB database using the --out (-o) switch:

$ k6 run --out influxdb=http://localhost:8086/myk6db script.js
$ docker run -i loadimpact/k6 run --out influxdb=http://localhost:8086/myk6db - <script.js

The above command line makes k6 connect to a local influxdb instance, and send the results from the test to a database named myk6db. If this database does not exist, k6 will create it automatically.

Once you have k6 results in your InfluxDB database, you can then use Grafana to create results visualizations.

Using Grafana to visualize results

  • Open http://localhost:3000 (or wherever your Grafana installation is located) in your browser.
  • Create a data source: Create Data Source
  • Now create a dashboard. Here is the newly created dashboard: Create Dashboard
  • Click Graph to create a new graph panel: Create Graph Panel
  • Click the Panel title and then Edit to set up the graph panel: Edit Graph Panel
  • Set the panel data source to your myk6db database and click the SELECT mean(value)... statement to edit the metric: Edit metric

Using our docker-compose setup

To make all the above even simpler, we have created a docker-compose setup that will:

  • Start a Docker container with InfluxDB
  • Start a Docker container with Grafana
  • Make available a k6 container that you can use to run load tests

Make sure you have at least docker-compose version v1.12.0 installed. You just need to do the following:

$ git clone ''
$ cd k6
$ git submodule update --init
$ docker-compose up -d \
    influxdb \
$ docker-compose run -v \
    $PWD/samples:/scripts \
    k6 run /scripts/es6sample.js

Now you should be able to connect to localhost on port 3000 with your browser and access the Grafana installation in the Docker container.

Preconfigured Grafana dashboards

Here we will list premade Grafana dashboard configurations contributed by users, for use with k6. To enable a contributed Grafana dashboard is simple: you just choose to "import" a dashboard in the Grafana UI and then specify the ID number of the dashboard you want, see for more details.

ID 2587, by Dave Cadwallader