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A Kafka broker configuration file has this line:

medium📝 Debug Q6 of 15
Kafka - Cluster Architecture
A Kafka broker configuration file has this line:
num.io.threads=abc

What is the likely problem?
AMissing semicolon at the end
BInvalid value type; should be an integer
CCorrect syntax for thread count
Dnum.io.threads is deprecated
Step-by-Step Solution
Solution:

  1. Step 1: Check value type for num.io.threads

    This setting expects an integer number representing thread count.

  2. Step 2: Identify invalid value

    The value 'abc' is a string, not a valid integer, causing a configuration error.

  3. Final Answer:

    Invalid value type; should be an integer -> Option B

  4. Quick Check:

    num.io.threads requires integer value [OK]
Quick Trick: Thread counts must be integers, not strings [OK]
Common Mistakes:
  • Using non-numeric strings for thread counts
  • Assuming semicolons are needed
  • Thinking num.io.threads is deprecated

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