Redis Cluster Cluster Cluster Cluster is created manually

Cluster Cluster Cluster Redis Cluster is a highly available solution officially provided. It is a decentralized Redis cluster scheme. All Redis nodes are interconnected with each other (PING-PONG mechanism). Clients can connect to Cluster cluster directly with any node without haproxy middleware. Conclusion: 1. Decentralization, fragmented ...

Posted on Wed, 20 Mar 2019 13:06:26 -0400 by azhan

Twenty-seven lessons

MySQL master-slave configuration Introduction of MySQL Master and Subordinate Dead work Configure the master server Configure the slave server Test master-slave synchronization Expand Introduction of MySQL Master and Subordinate MySQL master-slave is also called Replication and AB replication. Simply speaking, when A an ...

Posted on Sat, 02 Feb 2019 01:27:17 -0500 by phuggett

mysql multithreaded replication

Principle of mysql master-slave replication: 1. The binlog dump thread on the master node sends the binlog to the slave when the slave is normally connected to it. 2. I/O threads on slave nodes read the content sent by master nodes and copy the data to the local relaylog. 3. The SQL thread on the slave node reads the log in ...

Posted on Fri, 01 Feb 2019 16:24:14 -0500 by califdon

Mysql Master and Keeping Available

1. The idea of MySQL Dual-master architecture is as follows: 2. The main and main environment (only two master configurations are introduced here): 3. Creation process 3.3 Create database-related accounts and synchronize the owner and slave of the account 3.4 Test master-slave synchronization 4. Configure keepalived high a ...

Posted on Sun, 27 Jan 2019 05:00:14 -0500 by pesale86

Angular 2 DI - IoC vs DI && Angular 1 DI - part - 1

What is IoC Ioc - Inversion of Control, or "Control Inversion". In development, IoC means that the objects you design are handed over to the container control, rather than the traditional way of directly controlling within the objects.    How to understand IoC? The key to understand IoC well is to clarify "who controls whom, ...

Posted on Fri, 11 Jan 2019 11:36:11 -0500 by daijames

MySQL. Source code analysis. MySQL replication partial transaction

Overview of replication MySQL currently supports replication in a variety of ways 1. General master-slave asynchronous replication 2. Semi-synchronous semi-sync replication 3. Support multi-channel group replication and double binlog If distinguished by connection protocol, it can be divided into In non-GTID mode, replication site informa ...

Posted on Tue, 11 Dec 2018 10:36:08 -0500 by Billbonic