kafka介绍(0.8版本)

2016年9月29号,Apache kafka官网入门介绍正式更改,kafka从单一能力到全面化,作为纪念,保留一版0.8版本的介绍吧。

Apache kafka is publish-subscribe messaging rethought as a distributed commit log.
Apache Kafka是一个分布式的发布-订阅的消息系统。

Fast

A single Kafka broker can handle hundreds of megabytes of reads and writes per second from thousands of clients.
单个Kafka broker每秒可以处理来自数千个客户端的几百兆的读取和写入。

Scalable

Kafka is designed to allow a single cluster to serve as the central data backbone for large organization. it can be elastically and transparently expanded without downtime. Data streams are partitioned and spread over a cluster of machines to allow data streams larger than the capability of any single machine and to allow clusters of co-ordinated consumers.
kafka设计成允许单个集群,作为大型组织的中央数据主干。它可弹性和透明地扩展,无需停机。数据流被划分分布到集群,并允许集群协调消费者,使得数据流比任何单个机器的能力大。

Durable

Messages are persisted on disk and replicated within the cluster to prevent data loss. Each broker can handle terabytes of messages without performance impact.
消息保存在磁盘上,并在集群中复制,以防止消息丢失。每个broker可处理TB级消息,而不影响性能。

Distributed by Design

Kafka has a modern cluster-centric design that offers strong durability and fault-tolerance guarantees.
Kafka拥有现代化的中心集群的设计,提供了强大的可靠性和容错性的保证。

最后,附带一张官网首页怀旧截图:

screenshot






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