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Testing Throughput, Latency and Jitter with LibreSpeed
Testing Throughput, Latency and Jitter with LibreSpeed
Testing Throughput, Latency and Jitter with LibreSpeed
Written by Josh Peters
Updated over a week ago

Your sensor supports several throughput tests, each having their own strengths. LibreSpeed is a simple and powerful open-source tool that is ideal for situations where you want to self-host a speed test, measure upload and download speeds on multiple sensors concurrently and mimic the user experience using standard web-based methods. In addition, there is also a public LibreSpeed service the sensors can test.

When this test is configured, the sensors act as clients and connect to a LibreSpeed server, as selected in the test configuration. This documentation does not cover how to setup your own LibreSpeed server. The sensor uses LibreSpeed client version 1.0.9.

To add this test to your sensors, go to Settings -> Service & App Tests. Next, make your selection of which groups of sensors and networks to assign the test to, then select Add Test

Fill in the following fields:

  • Service Category: Internal or External

  • Template Type: Custom

  • Test Template LibreSpeed

  • Title: Add a unique title for the test.

  • Server Selection: Use option Select Server to use a public LibreSpeed server. You can then use “auto selection” in the box below to let the test choose the server based on location or select a specific server from the dropdown list. Use the option Specify Server if you are hosting your own LibreSpeed server, then enter the parameters of your server. Several different tests can be set up to different servers.

  • Direction: Select one of both, neither, upload or download for the direction of the throughput test

  • Duration: Enter the length of the test in seconds

  • Payload Size: Enter the payload size to be uploaded in the upload test. Default 1024 KiB

  • Frequency: Specify how often the sensors should run the test

  • Secure: Use HTTPS instead of HTTP when communicating with operated servers

  • Select Add to finish the test configuration.

Note: When testing your own librespeed server, it is recommended to specify the parameters of your server. The default options of the command line tool the sensor uses may produce low download speeds compared to the default options of the web browser. For example:

  • Download path: backend/garbage.php

  • Upload Path: backend/empty.php

  • Ping Path: backend/empty.php

  • Get IP Path: backend/getIP.php

In the service status page, after the test runs you will be able to see results for latency, jitter, upload throughput and download throughput. You will also be able to see the results per sensor from the sensor page.

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