Zero-Downtime Cluster Maintenance: Comparing the Procedures for Upgrades versus DB/OS Maintenance

Author: , August 26th, 2019

Zero-Downtime Cluster Maintenance: Comparing the Procedures for Upgrades versus DB/OS Maintenance

How to use Round-Robin Load Balancing with the Tungsten Connector

Author: , August 8th, 2019

The power of Tungsten Clustering for MySQL / MariaDB is its built-in intelligent MySQL proxy, known as the Tungsten Connector. The Connector has built-in read-write splitting capabilities, and it is also possible to configure different algorithms which select the appropriate slave (i.e. Round-Robin or Lowest-Latency).

Enabling Autorecovery for the Tungsten Replicator

Author: , August 7th, 2019

The replicator is a critical piece of the Tungsten Clustering solution for MySQL / MariaDB, as well as its own stand-alone data replication product. Automatic recovery enables the replicator to go back online in the event of a transient failure. In this blog, we discuss how to enable Autorecovery.

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

Author: , July 25th, 2019

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

How can I tell which Tungsten Connector mode I am using: Bridge, Proxy/Direct or Proxy/SmartScale?

Author: , July 19th, 2019

Part of the power of Tungsten Clustering for MySQL / MariaDB is its intelligent MySQL Proxy, known as the Tungsten Connector. Tungsten Connector has three main modes, and depending on the type of operations you are performing (such as if you need read-write splitting), we help you choose which mode is best. Hence the question, “How can I tell which Tungsten Connector mode I am using: Bridge, Proxy/Direct or Proxy/SmartScale?”

Slick Command-Line Tricks for a Tungsten MySQL / MariaDB Database Cluster

Author: , July 16th, 2019

Tungsten Clustering provides high availability, disaster recovery, and a host of other benefits for MySQL / MariaDB / Percona Server databases. In this blog post we will explore some of the shell aliases I use every day to administer various Tungsten Clusters.

Where are the logs for a Tungsten Cluster?

Author: , July 9th, 2019

Where are the logs for a Tungsten Cluster and which are the proper log files to monitor if I do a master role switch to another node?

What is the Best Way to Check the Health of a Tungsten Cluster Before a Switch?

Author: , June 26th, 2019

Latency-sensitive applications running in Java sometimes experience unacceptable delays under heavy I/O load. This blog discusses why this problem occurs and what to do about it for applications running Tungsten Clustering for MySQL.

What on Earth is a Split-Brain Scenario in a MySQL Database Cluster?

Author: , June 24th, 2019

In this blog post we will define what a split-brain scenario means in a MySQL database cluster, and then explore how a Tungsten MySQL database cluster reacts to a split-brain situation.

Configuring the Tungsten Connector for PCI Compliance

Author: , June 18th, 2019

This blog is about configuring Tungsten for PCI compliance.