In the ever-evolving world of big data and real-time data streaming, Apache Kafka has emerged as a game-changer, revolutionizing how organizations handle and process large volumes of data. With its scalable, fault-tolerant, and high-performance capabilities, Kafka has become a go-to technology for many companies. Consequently, the demand for skilled Kafka professionals has skyrocketed, making Kafka interviews a crucial stage in the hiring process.
Whether you’re a seasoned Kafka professional or just starting your journey, acing a Kafka interview requires a deep understanding of the technology and its nuances. In this comprehensive article, we’ve compiled the top 50 Kafka interview questions and answers to help you prepare for your next interview and stand out from the competition.
Basic Kafka Interview Questions
Let’s start with the foundational Kafka interview questions that test your understanding of the core concepts and functionalities.
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What is the role of the offset in Kafka?
In Kafka partitions, messages are assigned a unique ID number called the offset. The role of the offset is to uniquely identify each message within a partition. -
Can Kafka be used without ZooKeeper?
No, it is not possible to directly connect to the Kafka server by bypassing ZooKeeper. Any client request cannot be serviced if ZooKeeper is down. -
Why are replications critical in Kafka?
Replications are critical in Kafka as they ensure that published messages can be consumed in the event of any program error, machine failure, or regular software upgrades, preventing data loss. -
What is a partitioning key in Kafka?
The partitioning key indicates the destination partition of the message within the producer. A hashing-based partitioner determines the partition ID when a key is provided. -
What is the critical difference between Apache Flume and Kafka?
While both are used for real-time data processing, Kafka ensures more durability and scalability than Flume. -
**When does the QueueFullException
Kafka Interview questions and answers for 2024 for Experienced | Code Decode [ MOST ASKED ] | Part-1
FAQ
What are the 4 major Kafka APIs?
What is the main method of message transfer in Kafka?
Is Kafka highly scalable for better durability?
