Setting up Mycat environment based on Docker to realize the separation of reading and writing of Mysql database

Setting up Mycat environment based on Docker to realize the separation of reading and writing of Mysql database 1. Construction environment 1.1 build Mysql master-slave service 1.1.1 download Mysql image docker pul ...

Posted on Mon, 02 Mar 2020 23:11:40 -0800 by Nandini

Writing C language string function manually

C language string library string.h contains many common string functions: String length function strlen String comparison function strcmp String copy function strcpy String append function strcat Find character function strchr from left Right search character function strrchr Find string function strstr ...

Posted on Wed, 05 Feb 2020 01:55:01 -0800 by xardas

JavaScript private variable declaration

1.Symbol variable type In the following code snippet, this [categories] is functionally equivalent to this.categories, but the property type of the latter is string, so it needs to be accessed with point number. The property type of the former is The function of Symbol type is that each Symbol valu ...

Posted on Sat, 25 Jan 2020 23:48:19 -0800 by Hatchmo

mycat cluster construction details

I. preparation before deployment 1.1 software version 1 operating system: centOS-7.0(ubuntu 16.4) 2 jdk :1.8 3 haproxy: 1.2.27 4 keepalived: 1.3.9 (keepalived-1.3.9) 5 mycat: 1.6 6 mysql: 5.7 1.2 server distribution 192.168.1.100 (vip At 192.168.1.1 Created on) 192.168.1.1 server001 (mycat,haproxy,keepalive) master 192 ...

Posted on Wed, 27 Nov 2019 09:03:47 -0800 by flhtc

MyCat tutorial 3: installation and configuration introduction

I. installation of MyCat 1. Installation Preparation Environment 1.1 installation of JDK    because MyCat is developed by java, it needs java virtual machine environment, and it is necessary to install JDK in Linux node. 1.2 release relevant ports              &e ...

Posted on Thu, 24 Oct 2019 04:42:30 -0700 by junrey

Detail mycat+haproxy+keepalived to build high availability load balancing mysql Cluster

Summary Nowadays, clustering is widely used to optimize database performance, while oracle cluster is expensive to invest in software and hardware. mysql is more recommended to use mycat to build database cluster. Here is how to use mycat+haproxy+keepalived to build a high available load balancing system belonging to mysql database. Main id ...

Posted on Wed, 09 Oct 2019 11:31:24 -0700 by smarty_pockets

Mycat Realizes Reading and Writing Separation of Mysql Database

I. overview Mycat's role in applications is described as follows: Mysql master is responsible for reading and writing for master library and Mysql slave is responsible for reading from slave library. In this way, programmers can only care about business code compilation, without worrying about load balancing of back-end database cluster, separa ...

Posted on Mon, 27 May 2019 10:56:43 -0700 by robert.access

mycat Implements MySQL Database Subtable

In fact, the installation of Mycat is as simple as unzipping the downloaded directory.After installation, the directory is as follows: Catalog Explain bin mycat command, start, restart, stop, etc catlet catlet is an extended function of Mycat conf Mycat configuration information, focus on lib Mycat refers to the jar package Mycat wa ...

Posted on Fri, 25 Jan 2019 03:42:13 -0800 by poelinca