SpringBoot open source blog project based on Fly community template

1. Official website address Demo address on official website https://fly.layui.com/ Template download address: https://www.layui.com/template/fly/ Detailed development documents: https://www.sunnyblog.top/index.html?typeId=1260457825721647104 2. Technology stack Development tool Idea Database design JDK version Java8 Database MySQL v5. ...

Posted by chiefmonkey on Mon, 25 May 2020 16:15:07 +0200

Here comes the redis dry goods you want! Redis cluster model construction and principle explanation

Source network, only for learning, if there is infringement, please contact delete. Before Redis 3.0, sentinel mechanism was used to monitor the status of each node. Redis Cluster is redis's distributed solution, which was officially launched in version 3.0, effectively solving redis's distributed requirements. When encountering single machin ...

Posted by nigelbashford on Mon, 25 May 2020 10:23:23 +0200

Kafka Core API - Consumer Consumer

Automatic Submission from Consumer stay Above The use of the Producer API is described. Now that we know how to send messages through the API to Kafka, the producer/consumer model is one less consumer.Therefore, this article will introduce the use of the Consumer API, which consumes messages from Kafka to make an app a consumer role. As always ...

Posted by itisprasad on Sun, 24 May 2020 20:58:35 +0200

An article about TiDB disaster recovery

1, Background High availability is another major feature of TiDB. All three components of TiDB/TiKV/PD can tolerate partial instance failure without affecting the availability of the whole cluster. The following describes the availability of these three components, the consequences of a single instance failure, and how to recover. TiDB T ...

Posted by billynastie on Thu, 21 May 2020 06:23:27 +0200

Oracle RAC cluster testing - production environment best practices (Oracle 11g/12c/18c/19 RAC)

Production environment Oracle RAC cluster test best method (support Oracle 11g/12c/18c/19c RAC installation post test process) 1, Oracle RAC cluster test background A large and medium-sized manufacturing company has built a set of business system ERP system for new projects. The database environment of this system is Oracle RAC (RHEL Linux7+O ...

Posted by sgtbash on Wed, 20 May 2020 12:29:41 +0200

Technology sharing | MySQL group replication data consistency management analysis

Author: Yang Taotao Senior database expert, specializing in MySQL for more than ten years. Good at mysql, PostgreSQL, MongoDB and other open-source database related backup and recovery, SQL tuning, monitoring operation and maintenance, high availability architecture design, etc. At present, he is working in aikesheng, providing MySQL related ...

Posted by trent2800 on Mon, 18 May 2020 11:20:05 +0200

Let's use the mybatis framework to add, delete, modify and query mysql database in java

This article will use a simple login comment function to fully introduce the use of mybatis framework. Functions: add, delete, modify, query, multi table query, fuzzy query, dynamic query This article uses the environment / tools: Database: mysql 5.7 JDK:8 IDEA:2020.1 Database visualization tool: Navica ...

Posted by ponsho on Mon, 18 May 2020 08:11:13 +0200

Data Source Management | OLAP Query Engine, ClickHouse Clustered Management

Source code for this article: GitHub. Click here || GitEE. Click here 1. Introduction to Column Library ClickHouse is the 2016 Open Source Column Storage Database (DBMS) of Yandex, Russia. It is mainly used for OLAP online analysis processing queries, and can use SQL queries to generate real-time analysis data reports. Column storage Row stor ...

Posted by bettydailey on Mon, 18 May 2020 02:49:32 +0200

PageHelper paging plug-in

<dependency> <groupId>com.github.pagehelper</groupId> <artifactId>pagehelper</artifactId> <version>5.1.8</version> </dependency> <dependency> <groupId>com.github.pagehelper</groupId> <artifactId ...

Posted by robwilson on Sun, 17 May 2020 17:35:48 +0200

MySql practice many to many table exercise - user role permission table

This paper reviews the knowledge of database, including creating database, creating table, primary key constraint, foreign key constraint and table relation (many to many). 1, Table description A user table, a role table, and a permission table. A user corresponds to multiple roles, a role corresponds to multiple ...

Posted by russthebarber on Sat, 16 May 2020 19:08:22 +0200