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The Battle of the NoSQL Databases - Comparing MongoDB & MSSQL's NoSQL Functions
It is a well-known fact that MSSQL databases have ruled the world of data technologies and have been the primary source of data storage for over four decades. Generally, the MSSQL database is used...
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PostgreSQL Load Balancing with HAProxy
1. IntroductionApplications typically connect to a database cluster by opening connections on one of the database nodes in order to run transactions. If the database node fails, the client would need...
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Eliminating MySQL Split-Brain in Multi-Cloud Databases
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...
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MariaDB Cluster Offline Installation for CentOS
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...
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Eliminating PostgreSQL Split-Brain in Multi-Cloud Databases
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...
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How to Reduce Replication Lag in Multi-Cloud Deployments
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...
View ArticleTroubleshooting a MongoDB Sharded Cluster
In MongoDB, large data sets involve high throughput operations and this may overwhelm the capacity of a single server. Large working data sets implicate more stress on the I/O capacity of disk devices...
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Multi-Cloud Full Database Cluster Failover Options for PostgreSQL
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...
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Multi-Cloud Deployment for MariaDB Replication Using WireGuard
In this blog post, we are going to look into how to deploy a MariaDB replication setup in a multi-cloud environment. Suppose our primary application is located at AWS, it's the best idea to set up AWS...
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Database Backups in the Cloud for Disaster Recovery
Multi-cloud deployments of open source databases require considerations such as high availability, scalability, resiliency, backups, and disaster recovery. In this blog, we will emphasize the...
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Multi-Cloud Deployment for MySQL Replication
In recent years, the use of platform infrastructure has shifted from on premise to cloud computing. This is based on the absence of cost capital costs that must be incurred by the company if used when...
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The Battle of the NoSQL Databases - Comparing MongoDB & Firebase
The most challenging task to do in a business start-up is to choose the perfect technology based on business needs. In the course of backend app development, any mistake while choosing the right...
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Online Migration from MySQL 5.6 Non-GTID to MySQL 5.7 with GTID
In this blog post, we are going to look into how to perform online migration from MySQL 5.6 standalone setup to a new replication set running on MySQL 5.7, deployed and managed by ClusterControl. The...
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Database Load Balancing in a Multi-Cloud Environment
Multi-cloud environments are a very good solution to implement disaster recovery and very high level of high availability. They help to ensure that even a full outage of a whole region of one cloud...
View ArticlePostgreSQL Anonymization On Demand
Before, during, and after the GDPR came into town in 2018, there have been many ideas to solve the problem of deleting or hiding user data, using various layers of the software stack but also using...
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Fixing Page Faults in MongoDB
Page faults are a prevalent error that mostly occurs in a large application involving large data. It takes place when MongoDB database reads data from physical memory rather than from virtual memory....
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Multi-Cloud Galera Cluster on AWS and Azure via Asynchronous Replication
In this blog post, we are going to set up two Galera-based Clusters running on Percona XtraDB Cluster 5.7, one of the production environment and one for the disaster recovery (DR). We will use...
View ArticleWhat’s New in MariaDB Server 10.5?
MariaDB Server 10.5 is a fresh, new, and stable version from MariaDB that was released on June, 24th 2020. Let’s take a look at the features that it will bring us.More Granular PrivilegesWith MariaDB...
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What is MariaDB ColumnStore?
In general, databases store data in row format and use SQL as query language to access it, but this storage method is not always the best in terms of performance, it depends on the workload itself. If...
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An Overview of the New DBaaS from MariaDB - SkySQL
MariaDB has recently launched its new DBaaS offering, SkySQL. It might be a surprise to some, but this has been an anticipated move from MariaDB as they have been actively pushing state of the art...
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