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Building a MySQL or MariaDB Database Cold Standby on Amazon AWS
High Availability is a must these days as most organizations can’t allow itself to lose its data. High Availability, however, always comes with a price tag (which can vary a lot.) Any setups which...
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Comparing Galera Cluster Cloud Offerings: Part One Amazon AWS
Running a MySQL Galera Cluster (either the Percona, MariaDB, or Codership build) is, unfortunately, not a supported (nor part of) the databases supported by Amazon RDS. Most of the databases supported...
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Comparing Failover Times for Amazon Aurora, Amazon RDS, and ClusterControl
If your IT infrastructure is running on AWS, you have probably heard about Amazon Relational Database Service (RDS), an easy way to set up, operate, and scale a relational database in the cloud. It...
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How to Use the Failover Mechanism of MaxScale
Ever since ClusterControl 1.2.11 was released in 2015, MariaDB MaxScale has been supported as a database load balancer. Over the years MaxScale has grown and matured, adding several rich features....
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Comparing Galera Cluster Cloud Offerings: Part Three Microsoft Azure
Microsoft Azure is known to many as an alternative public cloud platform to Amazon AWS. It's not easy to directly compare these two giant companies. Microsoft's cloud business -- dubbed commercial...
View ArticleDatabase Switchover and Failover for Drupal Websites Using MySQL or PostgreSQL
Drupal is a Content Management System (CMS) designed to create everything from tiny to large corporate websites. Over 1,000,000 websites run on Drupal and it is used to make many of the websites and...
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Comparing DBaaS Failover Solutions to Manual Recovery Setups
We have recently written several blogs covering how different cloud providers handle database failover. We compared failover performance in Amazon Aurora, Amazon RDS and ClusterControl, tested the...
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How to Troubleshoot MySQL Database Issues
As soon as you start running a database server and your usage grows, you are exposed to many types of technical problems, performance degradation, and database malfunctions. Each of these could lead...
View ArticleWhat’s New in MySQL Galera Cluster 4.0
MySQL Galera Cluster 4.0 is the new kid on the database block with very interesting new features. Currently it is available only as a part of MariaDB 10.4 but in the future it will work as well with...
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A Guide to MySQL Galera Cluster Streaming Replication: Part Two
In the first part of this blog we provided an overview of the new Streaming Replication feature in MySQL Galera Cluster. In this blog we will show you how to enable it and take a look at the...
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Database Load Balancing in the Cloud - MySQL Master Failover with ProxySQL...
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. This...
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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...
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Handling Replication Issues from non-GTID to GTID MariaDB Database Clusters
We recently ran into an interesting customer support case involving a MariaDB replication setup. We spent a lot of time researching this problem and thought it would be worth sharing this with you in...
View ArticleMaximizing Database Query Efficiency for MySQL - Part One
Slow queries, inefficient queries, or long running queries are problems that regularly plague DBA's. They are always ubiquitous, yet are an inevitable part of life for anyone responsible for managing a...
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Full MariaDB Encryption At-Rest and In-Transit for Maximum Data Protection -...
In this blog series, we are going to give you a complete walkthrough on how to configure a fully encrypted MariaDB server for at-rest and in-transit encryption, to ensure maximum protection of the data...
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Full MariaDB Encryption At-Rest and In-Transit for Maximum Data Protection -...
In the first part of this series, we have covered in-transit encryption configuration for MariaDB replication servers, where we configured client-server and replication encryptions. Taken from the...
View ArticleDatabase Performance Tuning for MariaDB
Ever since MySQL was originally forked to form MariaDB it has been widely supported and adopted quickly by a large audience in the open source database community. Originally a drop-in replacement,...
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Announcing ClusterControl 1.7.5: Advanced Cluster Maintenance & Support for...
We’re excited to announce the 1.7.5 release of ClusterControl - the only database management system you’ll ever need to take control of your open source database infrastructure. This new version...
View ArticleMy MySQL Database is Out of Disk Space
When the MySQL server ran out of disk space, you would see one of the following error in your application (as well as in the MySQL error log):ERROR 3 (HY000) at line 1: Error writing file...
View ArticleSteps to Take if You Have a MySQL Outage
A MySQL outage simply means your MySQL service is not accessible or unresponsive from the other's perspective. Outages can be originated by a bunch of possible causes..Network issue - Connectivity...
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