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Environmental preparation Kafka Version: kafka_2.10-0.10.2.0 (2.10 for Scala version 0.10.2.0 for Kafka version) Official download address: http://kafka.apache.org/downloads Zookeeper Version: zookeeper-3.4.13 Official download address: http://zookeeper.apache.org/releases.html JDK Version: jdk1.8.0_ Official download address: h ...

Main references https://www.cnblogs.com/00986014w/p/9561901.html This blog post, but he's not using the official image of zookeeper I use the Zookeeper cluster with three nodes, which can be modified by reference. ##Build Zookeeper cluster zookeeper-svc.yaml of cluster Service apiVersion: v1 kind: Service metadata: labels: app: zookeeper ...

Reference link: https://www.cnblogs.com/linjiqin/p/8003838.html 1: Introduction There are three ways to implement distributed lock: 1. Optimistic database lock; 2. redis based; 3. zookeeper based. redis server is a single thread operation, which perfectly avoids the problem of multithreading synchronization and realizes atomicity. First of all, ...

Suppose we have a scenario in which all servers share the same configuration file, we can't maintain each server manually. At this time, we can use the configuration management function of zookeeper. Environment: python + nginx + zookeeper Objective: when the configuration file in zookeeper changes, nginx automatically pulls the latest config ...

>Original article, welcome to reprint. Reprint please indicate: reprint from IT people's story meeting Thank you!>Original link address: Building the Mesos cluster environment of "advanced" docker (24) This time, I will start to operate. First, I will install the MES. How to install the MES. Source code: https://github.com/lim ...

1.HBase installation configuration, using independent zookeeper 2. Modify environment variables:The first machine is planned to be master, the second machine is RegionServer, and then start RegionServer on the first machineMake a cluster1 master2 RegionServer Execute vi /etc/profile on the machine, and add the following:export HBASE_HOME=/usr/ ...

Huge buildings are always made of one wood and one stone. Why don't we make them? I often do some odd things, that's why. That's right, but I didn't say that! ——Lu Xun brew is the installation package tool of mac system. Similar to yum or apt get. What is the package path of brew installation. The following is an exam ...

At present, dubbo supports a variety of registration centers: Zookeeper, Redis, Simple, Multicast, Etcd3. This article analyzes how dubbo integrates Zookeeper to register and subscribe services when Zookeeper is used as the registration center. First, Dubbo registers the service with Zookeeper, and the directory structure is as follows: (regist ...

Introduction to pool technology In the process of using database, we often use database connection pool instead of directly using database connection to operate. This is because the cost of creating and destroying each database connection is expensive, and pooling technology creates resources in advance, which are reusable, so as to ensure that ...

In the business scenarios of order and payment, the generation rules and methods of DOC No. are very important. There are many kinds of implementation. The simplest one is based on mysql auto add primary key. The advantages and disadvantages of the scheme are not much discussed, and everyone knows. Today, we implement a distrib ...