Failover is the ability of a system to continue working even if some failure occurs. It suggests that the functions of the system are assumed by secondary components if the primary components fail or if...

Replication lag is an inevitable occurrence for multi-cloud database deployments, as it causes delays of transactions to reflect into the target node or cluster. When implementing a multi-cloud database deployment, the most common scenario (and...

Using a multi-cloud or multi-datacenter environment is useful for geo-distributed topologies or even for a disaster recovery plan, and actually, it is becoming more popular nowadays, therefore the concept of split-brain is also becoming more...

Most of the installation steps available on the Internet cover the standard online installation, presuming the database hosts are having an active internet connection to the package repositories and satisfy all dependencies. However, installation steps...

These days databases spanning across multiple clouds are quite common. They promise high availability and possibility to easily implement disaster recovery procedures. They are also a method to avoid vendor lock-in: if you design your...

Having a backup plan is a must when running a database in production. Running a backup every day, however, can eventually lead to an excess of backup storage space, especially when running on premises.  One...

High availability is paramount in today's business reality. But every service provider comes with an inherited risk of disruption -- and cloud service providers are no different. If they go down, even temporarily, then so...

A multi-cloud environment is a good option for a Disaster Recovery Plan (DRP), but it can be a time-consuming task as you need to configure the connectivity between the different cloud providers and you will...

During the recent 24-hour Percona Live, multi-cloud was regularly one of the key topics. This is just another key indicator of the trend of many organizations who are switching their architectures or expanding their businesses...

Managing backups could be a complex and risky task to do in a manual way. You must know that the backup is working according to your backup policy as you don’t want to be in...

Many would agree that having a graphical user interface is more efficient and less prone to human error when managing or administering a system. Graphical user interface (GUI) greatly helps reduce the steep learning curve...

Databases are all about queries. You store your data in them and then you have to be able to retrieve it in some way. Here come queries - you write them in some language, structured...