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).

Tungsten Clustering 5.4.0 and Tungsten Replicator 5.4.0 Released

Author: , July 31st, 2019

Continuent is pleased to announce Tungsten Clustering 5.4.0 and Tungsten Replicator 5.4.0 for MySQL / MariaDB. It’s significant in that it introduces MySQL 8 support, along with many new features, stability improvements and bug fixes.

Tungsten Clustering 6.1.0 and Tungsten Replicator 6.1.0 Released

Author: , July 31st, 2019

Continuent is pleased to announce Tungsten Clustering 6.1.0 and Tungsten Replicator 6.1.0 for MySQL / MariaDB. It’s significant in that it has MySQL 8 support, along with many new features, stability improvements and bug fixes. This release also features a new manager, and it also has the ability to do active/active Composite Multimaster geo-clustering.

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?”

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.

Why is My Java Application Freezing Under Heavy I/O Load?

Author: , June 17th, 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.

Tungsten Clustering 6.0.5 and Tungsten Replicator 6.0.5 Released

Author: , March 20th, 2019

Continuent is pleased to announce that Tungsten Clustering 6.0.5 and Tungsten Replicator 6.0.5 are now available! Our v6.0.5 release fixes a number of bugs and introduces some new features, with improvements across the board in a variety of different components. Some of the key improvements include: A new Clustering utility script has been added to the […]

Tungsten Clustering 5.3.6 and Tungsten Replicator 5.3.6 Released

Author: , February 4th, 2019

Continuent is pleased to announce that Tungsten Clustering 5.3.6 and Tungsten Replicator 5.3.6 are now available! Our 5.3.6 release fixes a number of bugs and has been released to improve stability. Highlights common to both products: Now, instead of searching for a master with appropriate role (i.e. matching the slave preferred role) until timeout is […]

How To Test Nagios Remote NRPE Commands

Author: , September 27th, 2018

There are many things to configure in Nagios, especially when using custom check commands. Recently I needed to configure all of the Continuent Clustering Nagios checks. Once setup on the database side, I wanted to confirm that everything was working. Basics: Run a Remote NRPE Check To test a remote NRPE client command from a […]