Clustered Database Node Failure and its Impact on High Availability
A node crash can happen at any time, it is unavoidable in any real world situation. Back then, when giant, standalone databases roamed the data world, each fall of such a titan created ripples of...
How ClusterControl Performs Automatic Database Recovery and Failover
ClusterControl is programmed with a number of recovery algorithms to automatically respond to different types of common failures affecting your database systems. It understands different types of database topologies and database-related process management to help...
Comparing Percona XtraBackup to MySQL Enterprise Backup: Part One
When it comes to backups and data archiving, IT departments are often under stress to meet stringent service level agreements as well as deliver more robust backup procedures that would minimize the downtime, speed up...
An Overview of VACUUM Processing in PostgreSQL
PostgreSQL does not use IN-PLACE update mechanism, so as per the way DELETE and UPDATE command is designed, Whenever DELETE operations are performed, it marks the existing tuple as DEAD instead of physically removing those...
Converting from Asynchronous to Synchronous Replication in PostgreSQL
High Availability is a requirement for just about every company around the world using PostgreSQL It is well known that PostgreSQL uses Streaming Replication as the replication method. PostgreSQL Streaming Replication is asynchronous by default,...
How to Configure Cluster-to-Cluster Replication for PostgreSQL
As we recently announced, ClusterControl 1.7.4 has a new feature called Cluster-to-Cluster Replication. It allows you to have a replication running between two autonomous clusters. For more detailed information please refer to the above mentioned...
How to Configure a Cluster-to-Cluster Replication for Percona XtraDB Cluster or MariaDB Cluster
In a previous blog, we announced a new ClusterControl 1.7.4 feature called Cluster-to-Cluster Replication. It automates the entire process of setting up a DR cluster off your primary cluster, with replication in between. For more...
An Overview of Cluster-to-Cluster Replication
Nowadays, it’s pretty common to have a database replicated in another server/datacenter, and it’s also a must in some cases. There are different reasons to replicate your databases to a totally separate environment. Migrate to...
Announcing ClusterControl 1.7.4: Cluster-to-Cluster Replication – Ultimate Disaster Recovery
We’re excited to announce the 1.7.4 release of ClusterControl - the only database management system you’ll ever need to take control of your open source database infrastructure. In this release we launch a new function...
Building a Hot Standby on Amazon AWS Using MariaDB Cluster
Galera Cluster 4.0 was first released as part of the MariaDB 10.4 and there are a lot of significant improvements in this version release. The most impressive feature in this release is the Streaming Replication...
Database Load Balancing in the Cloud – MySQL Master Failover with ProxySQL 2.0: Part One (Deployment)
The cloud provides very flexible environments to work with. You can easily scale it up and down by adding or removing nodes. If there’s a need, you can easily create a clone of your environment....
MySQL Cloud Backup and Restore Scenarios Using Microsoft Azure
Backups are a very important part of your database operations, as your business must be secured when catastrophe strikes. When that time comes (and it will), your Recovery Point Objective (RPO) and Recovery Time Objective...