Conquer Apache Kafka 2025 – Dive into Data Streaming Dominance!

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What is the purpose of replication in Kafka?

To enhance real-time processing speeds

To ensure data durability and availability

The purpose of replication in Kafka is to ensure data durability and availability. Replication involves creating multiple copies of the same data across different brokers in a Kafka cluster. This mechanism is essential for maintaining the integrity and reliability of data within the system. If a broker fails or becomes unavailable, having replicated copies allows the system to continue operating without data loss, ensuring that consumers can still access the information they need.

By retaining multiple copies of messages, Kafka also provides fault tolerance. In scenarios where a specific broker becomes inoperable, one of the replicas can take its place seamlessly, allowing for continuous data flow and minimizing downtime. This built-in redundancy is fundamental to Kafka's design, making it robust in distributed environments where hardware failures might occur.

In contrast, enhancing real-time processing speeds and enabling message filtering capabilities are not primary functions of replication, as these aspects focus more on message handling and processing rather than data safety and redundancy. Moreover, increasing network bandwidth usage does not accurately capture the intent behind replication, which is about data resilience rather than simply utilizing bandwidth.

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To increase network bandwidth usage

To enable message filtering capabilities

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