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It is always a good idea to be mindful of open ports on your hosts, since they can be used by bad actors to gain access to your systems. For this reason, it is often desirable to prevent outside connections to the port whenever possible to prevent intrusions. For security purposes (and possibly PCI compliance), the Tungsten Connector proxy has the ability to bind to localhost/127.0.0.1 instead of listening on all available IP addresses via 0.0.0.0.

One nice thing about Tungsten Clustering is that you need just a single command to move the primary role to another host in your cluster.

This blog was written in response to a question about the differences between a 3-node MySQL cluster and a 2-node-plus-a-witness MySQL cluster for MySQL high availability (HA).

How to move the Relay role to another node in a Composite Tungsten Cluster

Background The Skinny

Performing schema changes often requires extended downtime for applications. This is due to MySQL needing to rebuild tables for common schema change operations. Tools like pt-online-schema-change have been written to try to overcome the downtime associated with schema changes, however they are complex and put a high load on the database.

This blog explains why the Tungsten rollback error exists and why it's important.

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.

Overview The Skinny

From time to time we are asked how to check whether or not there are data discrepancies between Master/Slave nodes within a MySQL (or MariaDB) cluster that's managed with Tungsten Clustering.

This blog covers INI vs Staging configurations for Secure Shell.

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.

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?