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  • Abhishek Singh thinks this is interesting:

Instead of the clients sending requests to the brokers every few milliseconds asking for data and getting very few or no messages in return, the clients send a request, the broker waits until there is a decent amount of data and returns the data, and only then will the client ask for more (Figure 5-3).

From

Cover of Kafka: The Definitive Guide

Note

Is this a sync call ?