Rise of NoSQL databases

Over the last few years we have seen the rise of a new type of databases, known as NoSQL databases that are challenging the dominance of relational databases. Relational databases have dominated the software industry for a long time providing mechanisms to store data persistently, concurrency control, transactions, mostly… Read More

How to Configure a Galera Cluster with MySQL

Introduction Clustering adds high availability to your database by distributing changes to different servers. In the event that one of the instances fails, others are already available to continue serving. Clusters come in two general configurations, active-passive and active-active. In active-passive clusters, all writes are… Read More

MySQL : Installing Multiple MySQL

Installing Multiple MySQL   The need to have multiple instances of MySQL (the well-known mysqld process) running in the same server concurrently in a transparent way, instead of having them executed in separate containers/virtual machines.   MySQL provides a tool to facilitate the execution of… Read More