Development of a powerful load test toolchain
The use of JMeter in combination with specialised video streaming plug-ins and Check MK monitoring ensures realistic simulation and holistic monitoring of the streaming infrastructure.
MDR commissioned accompio to carry out a load and performance test on selected streaming servers. The aim of the tests was to verify the load limit per streaming server, which are used for the in-house editorial system “Resy”, and to identify any anomalies.
Customer
Mitteldeutscher Rundfunk is a regional broadcaster responsible for Saxony, Saxony-Anhalt and Thuringia. Its diverse television, radio and internet programmes reflect the diversity and identity of Central Germany. MDR's social mission includes information, education, advice and entertainment programmes.
The challenge
As part of a proof of concept, the feasibility of the test project was initially examined and, based on this, a test concept with a rough load test plan was created. The execution required a team of six people, who were responsible for organisation, monitoring and test data provision in addition to test execution.
One challenge was the production-near environment with three streaming servers and load balancers. To avoid overlap with real load, close coordination with other departments was necessary, so that the tests could be carried out in a controlled manner and without affecting live operation.
Objective
Results
With the methods and metrics shown, it was possible to describe the load limit of the individual streaming servers and the underlying behaviour of the system under normal and overload conditions.
Realistic video files as test data
simultaneous streams over 30 minutes without critical errors
People involved in test execution
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