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kafka学习笔记

kafka学习笔记

安装使用docker-compose部署kafka和zookeeper version: '3' services: zoo1: image: wurstmeister/zookeeper ports: - "2181:2181" hostname: zoo1 container_name: zookeeper kafka: image: wurstmeister/kafka depends_on: - zoo1 ports: - "9092:9092" environment: KAFKA_ADVERTISED_HOST_NAME: 114.116.21.20 KAFKA_CREATE_TOPICS: "sun:1:1" KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1 KAFKA_BROKER_ID: 1 KAFKA_ZOOKEEPER_CONNECT: zoo1:2181 container_name: kafka

Posted by kzdgt on Saturday, September 3, 2022

Go 字符串拼接6种方式

最快的方式 -- strings.builder

定义我们首先来了解一下Go语言中string类型的结构定义，先来看一下官方定义： // string is the set of all strings of 8-bit bytes, conventionally but not // necessarily representing UTF-8-encoded text. A string may be empty, but // not nil. Values of

Posted by kzdgt on Friday, August 26, 2022

ShowMeBug初级Golang面试

Golang面试

new和make的区别二者都是用来做内存分配的。 make只用于slice、map以及channel的初始化，返回的还是这三个引用类型本身为这

Posted by kzdgt on Wednesday, July 27, 2022

各服务部署docker

数据卷容器首先创建一个数据卷容器c_volume，用于数据持久化，存放在/volume docker run -id --name=c_volume -v /volume centos:7 docker exec -it c_volume /bin/bash 后续的博客、数据库数据等可以统

Posted by kzdgt on Friday, July 1, 2022

less命令

一、基本操作 1. 打开文件 less filename 2. 退出 less 按 q 退出当前 less 会话。二、导航与浏览 1. 翻页向下翻一页：按 Space 或 f 向上翻一页：按 b 向下滚动一行：按 Enter 或 j 向上滚动

Posted by kzdgt on Monday, June 27, 2022