Perform Complex Online Schema Changes on MySQL / MariaDB / Percona Server Leveraging Tungsten Clustering
Jun 10, 2019
Tungsten University, Database Administration, Cluster Management, Zero Downtime Maintenance
Blog
Series:
Tungsten University
Tungsten University
The Important Role of a Tungsten Rollback Error
This blog explains why the Tungsten rollback error exists and why it's important.
May 24, 2019
Tungsten University, Geographic Distribution and Geo-Scale
Understanding Cross-Site Replication in a Tungsten Composite Multi-Master Cluster for MySQL, MariaDB and Percona Server
In this blog post we will discuss how the managed cross-site replication streams work in a Composite Multi-Master Tungsten Cluster for MySQL, MariaDB and Percona Server.
May 22, 2019
Tungsten University, Geographic Distribution and Geo-Scale
Performance Tuning Tungsten Replication to MySQL
What are some reasons and strategies for performance tuning Tungsten Replicator when applying to a MySQL target database?
May 21, 2019
Tungsten University, Geographic Distribution and Geo-Scale
Troubleshooting Data Differences in a MySQL Database Cluster
May 09, 2019
Tungsten University, Advanced Replication
SSH Differences Between Staging and INI Configuration Methods
This blog covers INI vs Staging configurations for Secure Shell.
May 07, 2019
Tungsten University, Geographic Distribution and Geo-Scale
How to Integrate Tungsten Clustering Monitoring Tools with PagerDuty Alerts
In this blog post we will discuss how to best integrate various Continuent-bundled cluster monitoring solutions with PagerDuty (pagerduty.com), a popular alerting service.
Apr 23, 2019
Tungsten University, Database Administration, Monitoring and Observability, Native, Performance
Why Does a MySQL / MariaDB Cluster Require an Odd Number of Nodes?
When deploying Tungsten Clustering for MySQL / MariaDB / Percona Server, we always recommend an odd number of Manager nodes in each cluster. Let's take a look at how having an odd number of Managers helps keep a Tungsten Cluster functioning and avoids data corruption scenarios (i.e. "split brain").
Dec 11, 2018
Tungsten University, Database Administration, Intelligent Proxy, Native, Zero Downtime Maintenance
Understanding THL, Events and Storage: Part 1
When Tungsten Replicator extracts data, the information that has been extracted is written down into the Tungsten History Log, or THL.
Dec 07, 2018
Tungsten University
Keeping a Consistent View of the Cluster
You already know about the Tungsten Connector which is the "secret sauce" that routes your application database traffic to the appropriate MySQL data source of your cluster. Have you ever wondered how the Connector keeps track of the cluster configuration? How it always knows which host is the master (or masters in a Composite Multimaster topology), and which are slaves?
Nov 26, 2018
Tungsten University, Intelligent Proxy
No-Downtime Cluster Software Upgrades for MySQL / MariaDB / Percona Server
One important way to protect your MySQL / MariaDB / Percona Server data is to keep your Tungsten Clustering software up-to-date; but how can you achieve this with zero-downtime?
Oct 23, 2018
Tungsten University, Database Administration, Zero Downtime Maintenance
Picking a MySQL Clustering Deployment Method: Staging versus INI
Learn about the two different methods for installing, updating and upgrading Tungsten Clustering software for MySQL / MariaDB / Percona Server.
Oct 18, 2018
Tungsten University, Deployment, Database Administration, Native