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• Increasing polling loop timeout is probably a good thing to handle this case
• Increasing it too much by default (say, 5 minutes) may lead to a slower feedback from the tool in some cases 
• Making polling loop timeout optionally changeable is a good thing since it would give us more control for the corner cases
• Printing a warning message in case the timeout is exceeded should also be a good thing to know what's going on  

Public Interfaces

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Providing the command line tool kafka-consumer-perf-test.sh with an optional --polling-loop-timeout parameter: 

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