Batteries included: RabbitMQ clustering The clustering built in to RabbitMQ was designed with two goals in mind: allowing consumers and producers to keep running in the event one Rabbit node dies, and linearly scaling messaging throughput by adding m…

1. Consumers and producers Producers create messages and publish (send) them to a broker server (RabbitMQ). A message has two parts: a payload and a label. The payload is the data you want to transmit. It can be anything from a JSON array to an MPEG-…

Server management the Erlang node and the Erlang application Starting nodes multiple Erlang applications can run inside the same node an application on node asparagus can call functions in applications running on node artichoke as though those functi…

Producers create messages and publish (send) them to a broker server (RabbitMQ).What’s a message? A message has two parts: a payload and a label. The payload is the data you want to transmit. It can be anything from a JSON array to an MPEG-4 of yourf…

关键字: activemq 2．5 Clustering    ActiveMQ从多种不同的方面提供了集群的支持.2．5．1 Queue consumer clusters    ActiveMQ支持订阅同一个queue的consumers上的集群.如果一个consumer失效,那么所有未被确认(unacknowledged)的消息都会被发送到这个queue上其它的consumers.如果某个consumer的处理速度比其它consumers更快,那么这个consumer就会消费更多的消息.  …

描述:我们需要配置三台服务器:ServerA, ServerB, ServerC 注意事项: 所有的服务器的Erlang版本,RabbitMQ版本必须一样 服务器名大小写敏感 Step 1:安装RabbitMQ 1. ServerA:Windows & RabbitMQ:安装,Step 1, 2, 3, 4, 5 2.ServerB, ServerC:Windows & RabbitMQ:安装,Step 1, 2 Step 2:修改ServerA, ServerB, ServerC的Hos…

二.nova-api 步骤3:nova-api接收请求 nova-api接收请求,也不是随便怎么来都接收的,而是需要设定rate limits,默认的实现是在ratelimit的middleware里面实现的. 然而有时候,我们希望实现distributed rate-limiting,从而Turnstile是一个不错的选择. https://github.com/klmitch/turnstilehttp://pypi.python.org/pypi/turnstile 步骤4:对Token的…

RabbitMQ无疑是目前最流行的消息队列之一,对各种语言环境的支持也很丰富,作为一个.NET developer有必要学习和了解这一工具.消息队列的使用场景大概有3种: 1.系统集成,分布式系统的设计.各种子系统通过消息来对接,这种解决方案也逐步发展成一种架构风格,即“通过消息传递的架构”. 2.当系统中的同步处理方式严重影响了吞吐量,比如日志记录.假如需要记录系统中所有的用户行为日志,如果通过同步的方式记录日志势必会影响系统的响应速度,当我们将日志消息发送到消息队列,记录日志的子系统就会通过…

深入话题 Exchange实现路由的方法 http://www.rabbitmq.com/blog/2010/09/14/very-fast-and-scalable-topic-routing-part-1/ http://www.rabbitmq.com/blog/2011/03/28/very-fast-and-scalable-topic-routing-part-2/ 资源 RabbitMQ官网:http://www.rabbitmq.com/ 介绍RabbitMQ的书籍:Rabbit…

1. Clustering Analysis Clustering is the process of grouping a set of (unlabeled) data objects into multiple groups or clusters such that objects within a cluster have high similarity, but are very dissimilar to objects in other clusters. Dissimilari…