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Deep dives on PostgreSQL, MySQL, MongoDB and more — performance tuning, high availability, migrations and production war stories from our DBAs.

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Solving Cache Invalidation and Stampede in Valkey with Debezium CDC

Eliminate stale cache reads and thundering-herd stampedes by streaming MySQL binlog changes to Valkey via Debezium CDC. Full Java setup with embedded engine and XFetch.

MySQL15 minMar 7, 2026
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Debezium 3.0: Real-Time CDC from PostgreSQL, MySQL, and MongoDB

Debezium 3.0 turns your database transaction log into a real-time event stream with full before/after row images. Learn to configure CDC for PostgreSQL WAL and MySQL binlog, avoid the offset storage trap, and monitor replication lag.

PostgreSQL4 minOct 28, 2025
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Redis Streams vs Kafka: Choosing the Right Event Streaming Architecture

Redis Streams and Kafka both handle millions of events per second, but they solve different problems. Compare latency, retention, delivery guarantees, and operational overhead to choose the right architecture.

Redis4 minAug 5, 2025
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Kafka Connect: JDBC Source, SMTs, Dead Letter Queues, and Connector Monitoring

Operate Kafka Connect database pipelines with current JDBC and Debezium settings, protected REST access, deliberate DLQ handling, and task-level monitoring.

Kafka5 minJun 16, 2025
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