librdkafka
A high-performance C/C++ client library for Apache Kafka, supporting producers, consumers, and admin operations.
What is librdkafka?
librdkafka is a robust C library implementation of the Apache Kafka protocol, providing high-performance Producer, Consumer, and Admin clients. It is designed for reliable message delivery in distributed streaming applications, capable of handling over 1 million messages per second for producers and 3 million for consumers. The library serves as the foundational client for many programming language bindings and is widely used in production systems requiring efficient Kafka communication.
System and application developers building high-throughput, reliable data streaming applications in C or C++, or those creating language bindings for Kafka in other programming languages. It is also suitable for DevOps and platform engineers integrating Kafka into performance-critical infrastructure.
Developers choose librdkafka for its exceptional performance, proven reliability in production, and full support for Kafka features like Exactly-Once-Semantics (EOS) and security protocols. Its cross-platform portability and guaranteed API/ABI stability make it a dependable foundation for both direct C/C++ development and as the core for higher-level Kafka clients.
Overview
The Apache Kafka C/C++ library
Use Cases
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