What is master-slave architecture what is the use of master-slave?
Master-slave architectures are used to help stabilize a system. Master is the true data keeper while a slave is a replication of master. Cache/caching is an option but using it as complementary to the master-slave system would be better. Replication is the process of synchronizing data from the master to slave.
What is master-slave database architecture?
Master-slave replication enables data from one database server (the master) to be replicated to one or more other database servers (the slaves). The master logs the updates, which then ripple through to the slaves. Master-slave replication can be either synchronous or asynchronous.
How does replication work in MySQL slave server?
Here is how MySQL replication works. All database operations are copied to the master’s binary log. Salves connect to the master and asks for the data. The slave servers get the masters binary log.
Why do I need a MySQL master slave?
However, due to data compliance, and other audit requirements, we will have to choose self-managed solutions. In such cases, a MySQL master-slave replication offers data replication on multiple nodes for scalability and data availability. In this section, we will look at the MySQL replication architecture and how it works.
Which is MySQL replication setup based on Docker?
It is based on this repository docker-mysql-master-slave on the GitHub I have created a few years ago. It contains configurations and instructions with the MySQL replication example based on Docker. This is good to start understanding replication and test replication-unsafe statements and not intended for production use.
How many nodes do I need for MySQL replication?
For the tutorial purpose, we will use three Nodes for the MySQL replication cluster. One master node and two slave nodes. Minimum 2 Nodes – one master & one slave. [ Centos/Redhat 7 or greater] Connectivity to install packages using yum or through corp proxy if any. Root access to the servers.