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PostgreSQL 17: New Features Every DBA Should Know
PostgreSQL 17 is one of the most impactful releases in years. Incremental backups, vacuum improvements, logical replication failover slots, and planner enhancements are all production-critical changes.
MySQL 8.4 LTS Production Readiness Checklist: Upgrade Safely from 8.0
MySQL 8.4 LTS removes variables, enforces new replication defaults, and ships changed InnoDB settings that can silently break 8.0 configurations. This production checklist covers every item to verify before upgrading.
TiDB's Raft-Based Replication: How Distributed Consensus Keeps Your Data Safe
TiDB uses Raft consensus protocol through TiKV to replicate every region across three or more nodes. Here's how leader election, log replication, and region management work in practice.
Apache Flink CDC: Real-Time Database Change Capture at Scale
Use Apache Flink CDC to capture MySQL and PostgreSQL changes — stateful processing, exactly-once semantics, and Kubernetes deployment
MySQL Replication Options: Native Replication vs Group Replication vs InnoDB Cluster
MySQL offers multiple replication topologies — traditional async replication, semi-sync, Group Replication, and InnoDB Cluster. Understanding the trade-offs determines whether your failover takes seconds or minutes.
MongoDB Cluster-to-Cluster Sync: Simplifying Cross-Cluster Data Synchronization
MongoDB's mongosync utility enables continuous, real-time synchronization between two MongoDB clusters — simplifying live migrations, multi-cloud replication, and DR setups.
Read Replicas vs Caching: When to Use a Read Replica, Redis, or Both
A practical guide to choosing between read replicas and caching layers — replication lag behavior, cache invalidation strategies, thundering herd prevention, tiered read architecture patterns, and decision framework.
Debezium Advanced: Handling Schema Changes, Restarts, and Offsets
Go beyond basics with Debezium — handle schema evolution, manage connector offsets, and build resilient CDC pipelines
AWS DMS: Database Migration Service Guide for MySQL and PostgreSQL
A production guide to AWS Database Migration Service — replication instance sizing, endpoint configuration, Full Load vs CDC vs Full Load+CDC modes, performance tuning, and DMS vs Debezium vs pglogical.
Debezium and Change Data Capture: Stream MySQL and PostgreSQL to Kafka
Debezium reads MySQL binary logs and PostgreSQL WAL to stream every row-level change as a Kafka event in near real-time — replacing nightly batch ETL with sub-second data propagation.
PostgreSQL Logical Replication to Kafka: End-to-End Setup
Stream PostgreSQL changes to Kafka using pgoutput and Debezium — setup, monitoring, and lag management
Patroni for PostgreSQL High Availability
Patroni automates PostgreSQL failover using a distributed consensus store like etcd. Learn how to configure Patroni for production-grade HA.
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