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The Apache Kafka C/C++ library

This project provides a high-performance C/C++ client library for Apache Kafka, enabling applications to efficiently interact with Kafka clusters for producing and consuming messages.

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Added on 2025年6月19日
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Project Introduction

Summary

librdkafka is the premier open-source C/C++ library designed to provide a comprehensive and performant client for the Apache Kafka message broker. It is widely used in mission-critical applications requiring direct Kafka integration from C/C++ codebases.

Problem Solved

Building C/C++ applications that require reliable and performant integration with Apache Kafka streams can be challenging. This library provides a native, well-tested solution that abstracts the complexities of the Kafka protocol and client lifecycle.

Core Features

Efficient Producer API

Enables sending messages to Kafka topics with low latency and high throughput, supporting various partitioning strategies.

Robust Consumer API

Allows applications to subscribe to topics and process messages reliably, with support for consumer groups and offset management.

Asynchronous Operations

Offers asynchronous operations and callbacks for non-blocking interaction with the Kafka cluster.

Tech Stack

C
C++
Apache Kafka
POSIX threads

Use Cases

librdkafka is suitable for various scenarios where C/C++ applications need to interact with Kafka for high-throughput messaging or data processing.

Scenario 1: IoT Data Ingestion

Details

Collect and ingest data from devices or sensors written in C/C++ directly into a Kafka topic for central processing.

User Value

Enables efficient, low-latency data streaming from edge devices.

Scenario 2: High-Frequency Trading or Analytics Engines

Details

Build real-time processing components in C++ that consume data from Kafka, perform low-latency analysis, and potentially produce results back to Kafka.

User Value

Achieve maximum processing speed and throughput for critical workflows.

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