Apache Kafka - Interview Questions and Answers for 'Apache Kafka' - 7 question(s) found - Order By Newest Q1. Can we have multiple threads consuming message stream from a single partition ?
Ans. Yes, by having multiple Consumer Groups. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Q2. Can we have multiple threads consuming messages from a single partition if we have single Consumer Group ?
Ans. No, we can only have max 1 thread per partition in a single Consumer Group. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Q3. If we have more threads than partitions in a kafka consumer, How can we model it efficiently ?
Ans. We will have to use multiple consumer groups in that case as threads will remain idle if we use single consumer group. A more sophisticated algorithm could be required with multiple groups if we have to ensure the order of consumption. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Q4. How can we make sure that we don't receive duplicate messages from the Kafka Topic ? Apache Kafka
This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Q5. How can we makes sure that message has been consumed properly from Kafka ? Apache Kafka
Ans. We can have a mechanism to send the conformation back to Kafka so that Kafka can do offset only after receiving the confirmation. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Q6. Kafka has a deliver atleast once default Policy, What are the other policies that can be configured with Kafka ? Apache Kafka
Ans. Exactly once and At Max Once Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Q7. What are the different delivery policies in Apache Kafka ? Apache Kafka
Ans. Exactly once , At least once , At max once Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies basic frequent
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