librdkafka 是 Apache Kafka 的 C/C++ 开发包，提供生产者、消费者和管理客户端。设计理念是可靠以及高性能的消息传输，当前可支持每秒超过 100 万的消息生产和 300 万每秒的消息消费。
特性：
- High-level producer
- High-level balanced KafkaConsumer (requires broker >= 0.9)
- Simple (legacy) consumer
- Admin client
- Compression: snappy, gzip, lz4, zstd
- SSL support
- SASL (GSSAPI/Kerberos/SSPI, PLAIN, SCRAM, OAUTHBEARER) support
- Broker version support: >=0.8 (see Broker version compatibility)
- Stable C & C++ APIs (ABI safety guaranteed for C)
- Statistics metrics
- Debian package: librdkafka1 and librdkafka-dev in Debian and Ubuntu
- RPM package: librdkafka and librdkafka-devel
- Gentoo package: dev-libs/librdkafka
- Portable: runs on Linux, OSX, Win32, Solaris, FreeBSD, AIX, ...
