Active-Active MySQL Group Replication Best Practices
In MySQL Group Replication (MGR) or Group Replication, an active-active configuration allows multiple group members to accept concurrent write transactions. These writes are coordinated through a consensus-based group communication system (GCS) and validated via write-set...
Multi-tenant, multi-cloud logical and bi-directional replication deep dive
Before we dive deep into the fascinating world of PostgreSQL Logical and Bi-Directional Replication (BDR), let's take a quick moment to look at multi-tenancy and multi-cloud strategies. Setting the stage for today’s cloud operating model,...
Operational guide to migrating to ClickHouse
Organizations frequently migrate to ClickHouse when they determine that their existing databases or analytics stacks are inadequate for accommodating escalating analytical requirements. This transition is predicated on the fact that ClickHouse is a purpose-built OLAP...
How to Migrate Cloud PostgreSQL to On-Prem with Minimal Downtime
In the last decade, cloud adoption has accelerated as organizations looked to scale quickly, reduce upfront capital investment, and leverage managed services. However, in recent years, a growing number of companies are choosing to migrate...
ClickHouse storage architecture and optimization
In analytical databases, storage is the dominant factor behind performance, stability, and cost. ClickHouse is designed to scan large volumes of data efficiently, but how well it performs in production depends heavily on storage layout,...
ClickHouse scaling and sharding best practices
ClickHouse is a core engine for real-time analytics, powering critical functions like event ingestion, observability, customer analytics, and large-scale dashboards. However, scaling a ClickHouse cluster predictably while ensuring high availability, peak performance, and efficient resource...
PostgreSQL Multi-Master Operational and Consistency Issues in Brief
In ommon PostgreSQL setups, one server acts as the master, handling all write operations. Other servers act as read replicas, replicating data from the master. Instead, multi-master replication, or Bi-Directional Replication (BDR), allows multiple Postgres...
ClusterControl Kubernetes Database Operator Management now GA
Standardize operator-driven database ops with GitOps while keeping Kubernetes and traditional environments under one roof. Kubernetes database operators are maturing, becoming the default way to run databases in-cluster. They bring automation, self-healing patterns, and declarative...
Introduction to MariaDB Vector Search
Vector search is now entering your RDBMs, providing enhanced capabilities in a familiar interface. MariaDB introduced native vector search capabilities in its 11.8 release, which is the current Long-Term Support (LTS) release for these features....
Operational considerations for ClickHouse in hybrid environments
If you work in operations, you know that hybrid cloud is rarely a choice made for the sheer fun of it. It’s usually a necessity born of data gravity, compliance, or the need to balance...
How ClusterControl Saved Christmas – Part 4
The Night the Cloud Went Dark Why Hybrid Resilience Saves Christmas: Welcome to the 4th of a 6 part holiday series called, How ClusterControl Saved Christmas! If you missed part one, start here: Part 1...
How ClusterControl Saved Christmas – Part 3
The Real-Time Workshop Welcome to the 3rd of a 6 part holiday series called, How ClusterControl Saved Christmas! If you missed part one, start here: Part 1 Inside Santa’s Streaming Architecture for Naughty & Nice...