Database Insights

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.

Stream PostgreSQL changes to Kafka using pgoutput and Debezium — setup, monitoring, and lag management

Use Spark with JDBC to read from and write to relational databases — partition strategies, predicate pushdown, and write modes

A production guide to TimescaleDB — hypertable setup, automatic chunk management, columnar compression policies, retention policies, continuous aggregates with time_bucket(), and comparison against InfluxDB and Prometheus.

Build a MySQL CDC pipeline using binlog and Kafka — Debezium, Maxwell, or Canal — trade-offs and production setup

Monitor MySQL and PostgreSQL with Prometheus, Grafana, and PMM. Covers mysqld_exporter, postgres_exporter, alert rules, and production dashboard configuration.

Understand Kafka from a database perspective — partitions, offsets, consumer groups, and durability guarantees

Manage SQL schema migrations with Flyway — versioned and repeatable scripts, CI/CD integration, and team workflows

Deploy Airbyte to replicate data from MySQL, PostgreSQL, and MongoDB to your warehouse — connectors, scheduling, and transforms

Comprehensive PostgreSQL guide covering MVCC, extensions, partitioning, logical replication, and performance tuning. Learn why PostgreSQL powers modern applications.

Navigate the open source database landscape. Compare MySQL, PostgreSQL, MongoDB, Redis, and Cassandra with detailed feature analysis and selection criteria.

Understand FoundationDB's architecture — ACID transactions, layers, and why Snowflake and Apple chose it