Question about the defintive kafka guide

Certification and Training
1

Hey !
I recently started working with Kafka, and I would like to completly understand it and try to pass the Developer certification.
Since I am still a student I went for the cheapest solution to prepare the exam: The definitive guide book.
Do you think it is enough to prepare the exam ?

Also I have a question about a chapter in the book, in the page 25 there is :
image
Since the partitions of a topic only supporte one thread (tell if I am wrong) then each thread can only fetch one single message. So it is not the throughput that should be limited to 60MB but the messages right? and also why 60 mb and not 50 mb directly ?

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Hi @rida_kejji . Kafka The Definite Guide is certainly a good book, though I would recommend getting the 2nd edition if you can, since the first edition is over 4 years old.
You are correct. It should be 50 MB. O’Reilly has published errata here. See row # 6 in the table. It addresses your question.

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