Blog

Our team of MySQL database experts regularly blogs on topics that range from MySQL availability, MySQL replication, multi-master MySQL, and MySQL-aware proxies, all the way through to ‘how to’ content for our solutions: Tungsten Clustering, Tungsten Replicator and Tungsten Proxy.

When “Committed” Doesn’t Mean Durable: What Jepsen Found in Galera Cluster

Jepsen found write loss, stale reads, and lost updates in MariaDB Galera Cluster. This article examines what commit actually guarantees and why ordering impacts durability and consistency.

Competitor Comparisons

MySQL Automatic Failover: When to Automate vs. Manual Intervention

A practical guide to MySQL failover strategies, comparing automated and manual approaches, and examining risks such as replication lag, split-brain, and incorrect promotion in high availability environments.

MySQL High Availability (HA) & Disaster Recovery (DR), Cluster Management, Database Administration, Performance

MySQL Archiving: 3 Ways to Clear the Bloat

Practical guide to reducing MySQL data bloat through three archiving approaches: controlled deletes, partitioning, and replication-based offloading, with trade-offs and operational considerations.

Database Administration, Database Scalability

Sneak Peek: Dockerized Tungsten Replicator

Get a first look at the Dockerized Tungsten Replicator. Learn how containerization simplifies deployment, improves portability, and enables flexible MySQL replication across environments including Kubernetes and hybrid cloud setups.

Stéphane Giron

Advanced Replication, Deployment

MySQL Replication Lag – Part 2: Diagnosis and Practical Fixes

Operational guide to diagnosing and resolving MySQL replication lag, covering correct measurement techniques, relay log analysis, bottleneck identification, and practical strategies for reducing replication delay in production systems.

Tungsten University, Advanced Replication, Performance

Introducing Tungsten Dashboard v8.0.4

Announcing Tungsten Dashboard v8.0.4 with improved Kubernetes deployment, better hybrid SSL topology handling, enhanced connection reliability, and new interface options including compact layout and customizable cluster views.

Continuent Team

Continuent News, Deployment, Monitoring and Observability, Security

MySQL Replication Lag – Part 1: Theory and Internal Mechanics

A deep technical explanation of MySQL replication lag mechanics, covering the replication pipeline, network and apply-stage bottlenecks, throughput imbalance, and the impact of different replication models on latency and availability.

Tungsten University, Advanced Replication, Performance

Introducing Tungsten Cluster & Tungsten Replicator v8.0.3

Announcing Tungsten Cluster and Tungsten Replicator v8.0.3. This maintenance release delivers stability improvements, Java compatibility fixes, real-time replication performance monitoring, security library upgrades, and installation workflow enhancements.

Continuent Team

Continuent News, Monitoring and Observability, Performance, Security

Introducing Tungsten Cluster & Tungsten Replicator v7.2.1

Overview of the Tungsten Cluster and Tungsten Replicator v7.2.1 release, highlighting configuration safety improvements, command-line enhancements, real-time replication performance monitoring, and important stability and security fixes.

Continuent Team

Continuent News, Cluster Management, Monitoring and Observability

Announcing the New Tungsten University Training Sessions — Now Live

Explore the new Tungsten University training sessions for Tungsten Cluster, Tungsten Replicator, and Tungsten Operator. Learn from Continuent engineers through structured master classes covering MySQL HA, replication, Kubernetes, and real-world production operations.

Continuent Team

Continuent News, 24/7/365 Support

Active-Active MySQL Replication: The Pros, Cons, and Reality

An in-depth analysis of active-active MySQL replication, examining its benefits, operational risks, conflict scenarios, and practical guidance on when multi-primary designs make sense—and when they do not.

Tungsten University, Cluster Management, Total Cost of Ownership

Introducing Tungsten Dashboard v8.0.3

Release announcement for Tungsten Dashboard v8.0.3 covering new certificate retrieval options, workflow and UI refinements, and targeted bug fixes that improve reliability in frequently changing cluster and certificate environments.

Continuent Team

Continuent News, Monitoring and Observability, Security