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Load tests of Core Apache Beam Operations are a set of tests aiming to exercise core Core Beam transforms to see how do they behave in stressful conditions. They operate on synthetic data of KV<byte[], byte[]> type that is generated deterministically and can be shaped with different distributions, generation delays and the size of records itself.
For example, thanks to the tests users can check things like:
- Performance impact of hot keys hotkeys in input data,
- Record size impact,
- State cache capacity,
- Inter operation overhead,
- Influence of extensive metrics API usage
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