什么是Node.js 官网介绍: Node.js® is a JavaScript runtime built on Chrome's V8 JavaScript engine. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient. Node.js' package ecosystem, npm, is the largest ecosystem of open…
什么是Node.js 官网介绍: Node.js® is a JavaScript runtime built on Chrome's V8 JavaScript engine. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient. Node.js' package ecosystem, npm, is the largest ecosystem of open…
kafka基础介绍 一.kafka介绍 1.1主要功能 根据官网的介绍,kafka是一个分布式流媒体的平台,它主要有三大功能: 1.11:It lets you publish and subscribe to streams of records 发布和订阅消息流,类似消息队列的的功能,这也是将其归类为消息队列的原因 1.12:It lets you store streams of records in a fault-tolerant way 以容错的方式记录消息流,kafka以文件的方式…