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MuleESB / Apache Kafka Interview questions

Kafka's zero-copy principle.

Kafka’s zero-copy principle is an optimization technique that enables the operating system to transfer data directly from the disk (page cache) to the network socket, bypassing the application (JVM) buffer entirely. This reduces context switches between user/kernel mode and eliminates unnecessary CPU-intensive memory copies, dramatically improving throughput and reducing latency.

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Akka interview questions

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