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librdkafka - Apache Kafka C/C++ client library

Copyright (c) 2012-2016, Magnus Edenhill.

https://github.com/edenhill/librdkafka

librdkafka is a C library implementation of the Apache Kafka protocol, containing both Producer and Consumer support. It was designed with message delivery reliability and high performance in mind, current figures exceed 1 million msgs/second for the producer and 3 million msgs/second for the consumer.

librdkafka is licensed under the 2-clause BSD license.

For an introduction to the performance and usage of librdkafka, see INTRODUCTION.md

See the wiki for a FAQ.

NOTE: The master branch is actively developed, use latest release for production use.

Gitter chat

Apache Kafka 0.8 & 0.9 & 0.10 support:

  • Branch: master
  • Producer: supported
  • High-level balanced KafkaConsumer: supported (requires broker >= 0.9)
  • Simple Consumer: supported
  • Compression: snappy, gzip, lz4
  • Broker version support: >=0.8
  • Debian package: librdkafka1 and librdkafka-dev in Debian and Ubuntu
  • ZooKeeper: not supported
  • C API: Stable, ABI safe
  • C++ API: Stable
  • Tests: Regression tests in tests/ directory.
  • Statistics: JSON formatted, see rd_kafka_conf_set_stats_cb in rdkafka.h.
  • Status: Testing

Apache Kafka 0.7 support:

  • Branch: 0.7
  • Producer: supported
  • High-level Consumer: not supported
  • Simple Consumer: supported
  • Compression: not supported
  • Broker version support: 0.7.x
  • ZooKeeper: not supported
  • Status: Stable, Deprecated, Unsupported

#Language bindings#

#Users of librdkafka#

Usage

Requirements

The GNU toolchain
GNU make
pthreads
zlib (optional, for gzip compression support)
libssl-dev (optional, for SSL support)
libsasl2-dev (optional, for SASL support)
liblz4-dev (optional, for LZ4 compression support)

Instructions

Building

  ./configure
  make
  sudo make install

NOTE: See README.win32 for instructions how to build on Windows with Microsoft Visual Studio.

Usage in code

See examples/rdkafka_example.c for an example producer and consumer.

Link your program with -lrdkafka -lz -lpthread -lrt.

Documentation

The public APIs are documented in their respective header files:

To generate Doxygen documents for the API, type:

make docs

Configuration properties are documented in CONFIGURATION.md

For a librdkafka introduction, see INTRODUCTION.md

Examples

See the examples/sub-directory.

Tests

See the tests/sub-directory.

Support

File bug reports, feature requests and questions using GitHub Issues

Questions and discussions are also welcome on irc.freenode.org, #apache-kafka, nickname Snaps.

Commercial support

Commercial support is available from Edenhill services

Packages

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Languages

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  • C++ 9.2%
  • Shell 4.2%
  • Python 1.9%
  • Makefile 0.4%
  • Objective-C 0.3%