Spring Boot multi module development and pit drainage guide none in history

Recommended reading: How to improve the core competitiveness of Java engineers who have worked for 1-5 years                   Ali architect said: "no real combat is just talking on paper"! Redis live PDF sharing                   Working hard for more than half a year, Ali finally got hi ...

Posted on Sat, 20 Jun 2020 04:52:25 -0400 by canadian_angel

Day 3: HBase API

API call More commonly used in the work is to call and implement operations similar to HBase shell through HBase API. Environmental preparation IDEA + Maven + HBase <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.or ...

Posted on Sat, 20 Jun 2020 03:37:46 -0400 by Ting

Using Flink Metric Reporter to monitor flink task indicators

Since flink1.8, the reporter supports writing index data to influxdb, and users can read the data in influxdb for visualization. But for small and medium-sized companies, most of them don't choose self-developed visualization because of the cost. We choose grafana for the visualization of flick metrics. ...

Posted on Sat, 20 Jun 2020 01:41:30 -0400 by lurius

Java+Maven+TestNG interface (API) automation test tutorial

In the previous chapter, we wrote the first test class of get request. In this chapter, we will preliminarily optimize and encapsulate it. 6.1 separate request sending class First of all, our interface automation testing framework will use a lot of http request sending functions in the future. T ...

Posted on Sat, 20 Jun 2020 01:35:22 -0400 by helloise

Introduction to CAT minimalism (application monitoring platform)

1. Overview Lazy tips: CAT official documents - simplicity It's been written very well. Here's a great way to use direct CV~ CAT(Central Application Tracking) It is a real-time application monitoring platform developed based on Java, which provides a comprehensive real-time monitoring and alarm ...

Posted on Sat, 20 Jun 2020 00:40:37 -0400 by callmubashar

How to convert Log4j to logback without Log4j

Custom Catalog title is written here Fix the vulnerability, remove Log4j and introduce logback 1 background 2 difficulties 3 Introduction to components 3.1 code structure 3.2 description of key categories 3.2.1 ClassOfCallerConverter.java 3.2.2 MethodOfCallerConverter.java 3.2.3 LineOfCallerConver ...

Posted on Fri, 19 Jun 2020 04:32:09 -0400 by mhewall

What is the Watcher mechanism in Zookeeper?

Article catalog What is the watcher mechanism Notification state (KeeperState) Event type Client implementation of EventType registration and notification Server implementation of EventType registration and notification EventType registration and notification process Simple code example What i ...

Posted on Thu, 18 Jun 2020 07:06:48 -0400 by paudelvikash

Create a yum warehouse and logical disk partition

1. Build your own yum warehouse, which is network source and local source respectively.Network Source:1. First create a yum warehouse: [centos@localhost ~]$ yum install createrepo 2. Disable the original yum network source. [root@localhost yum.repos.d]# mv CentOS-Base.repo CentOS-Base.repo.bak 3. Edit CentOS-Base.repo [base] name=Base Repo on ...

Posted on Tue, 16 Jun 2020 18:20:31 -0400 by joshberm

SpringBoot 36: integrating MinIo file services

What is MinIo Minio is an open source lightweight file server under Apcche. It is based on object storage, and the protocol is based on Apache License v2.0. Open source can be used for business. Minio is mainly used to store unstructured data, such as files, pictures, photos, log files, various backup ...

Posted on Tue, 16 Jun 2020 04:40:14 -0400 by VooDooRT

Let people love and hate Lombok, in the end should not use

1 Introduction Lombok, an island in Indonesia, is Longmu island. But in the world of Java, it is a convenient class library, which can provide a lot of convenience, so it is favored by many people. But there are many objections. Why is that? I went to Longmu island to shoot the sunset. 2 convenience provided by Lombok In general, when we use P ...

Posted on Tue, 16 Jun 2020 02:12:32 -0400 by ShugNorris