This feature enables routing more than one request to a pod at the same time. This is the first draft of the work and might involve more optimizations later.
1. The records are stored in redis which is not migratable to another cluster for the testing purposes.
2. Some of the requests fields are not recorded.
3. People should consider using https://github.com/buger/goreplay which is an existing mature and well-tested solution for testing purposes.