Solving Backend Drift: Implementing Dynamic Load Balancing with mod_proxy
Learn how to implement zero-downtime maintenance and high availability using Apache's mod_proxy_balancer to manage backend application clusters.
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RabbitMQ Quorum Queues: When Replication Is Worth the Consensus Tax
Quorum queues use Raft consensus to keep RabbitMQ messages safe through node failures — but only if publishers, consumers, and queue settings all line up. Here's when the consensus tax is worth paying.
rabbitmqDeploy a Three-Node MariaDB Galera Cluster for Synchronous Multi-Master Replication
Step-by-step guide to deploying a three-node MariaDB Galera Cluster with synchronous multi-master replication, covering installation, configuration, bootstrap, verification, and recovery procedures for high-availability workloads.
mariadbUsing Pod Disruption Budgets to Keep Applications Available During Node Drains
Learn how a Pod Disruption Budget (PDB) guarantees a minimum number of replicas stay up while you drain nodes, plus a concrete example and the trade‑offs to watch for.
kubernetesDigitalOcean Managed PostgreSQL: Minimal HA Architecture and Operational Guardrails
Architecture note for the smallest production-ready DigitalOcean Managed PostgreSQL deployment: single-primary with one standby in a VPC, backups, PgBouncer, encryption, IAM roles, metrics alerts, and a quarterly failover drill. Includes doctl commands, firewall rules, and a verification checklist.
digitaloceanUsing Automatic Failover in DigitalOcean Managed PostgreSQL for Zero‑Downtime Updates
Learn how to enable automatic failover on DigitalOcean Managed PostgreSQL, verify the failover process, and understand its trade‑offs for production workloads.
Architecting Splunk Indexer Clusters for Data Durability
A practical guide to designing Splunk single-site indexer clusters for high availability, covering the minimum viable architecture (RF=3, SF=2), trust boundaries, operational checks, failure modes, and conditions that require design changes.
splunkScaling PostgreSQL on Scalingo: Managing Failover and Read Replicas for Production Workloads
Scaling PostgreSQL on Scalingo with automatic failover and read replicas requires understanding trade-offs between consistency, availability, and performance. Here's how to configure a production-ready setup.
scalingovSphere HA, vMotion, and Fault Tolerance: Architecture for Zero Downtime
Deploy VMware vSphere HA with vMotion and Fault Tolerance for zero downtime on critical workloads. This architecture guide covers minimal design, trust boundaries, operational checks, and scaling considerations.
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