The JusDB Database Engineering Blog

Explore PostgreSQL 18 revolutionary features including async I/O, improved parallelism, enhanced JSON support, and developer experience improvements coming in 2025.

MariaDB and MySQL have diverged significantly. This guide compares licensing, Galera vs Group Replication, thread pool, cloud support, and migration paths.

Choose Redis 8 or Valkey 8 from licensing, feature, managed-service, and operational requirements, then migrate within the documented compatibility boundary.

OpenSearch (Apache 2.0) and Elasticsearch (EL2/SSPL) have diverged. Compare licensing, security features, AI/ML capabilities, and migration complexity for 2026.

Understand the Redis fork landscape after licensing changes. Compare Redis and Valkey features, licensing implications, migration paths, and community support.

Use Neon for serverless PostgreSQL — database branching for dev/test, autoscaling, and cost model

Migrate from Redis to Valkey — compatibility, performance benchmarks, and what changes for operators

Use Apache Flink CDC to capture MySQL and PostgreSQL changes — stateful processing, exactly-once semantics, and Kubernetes deployment

A detailed comparison of PgBouncer, Odyssey, and pgcat for PostgreSQL connection pooling — architecture differences, threading models, pool modes, TLS support, and decision criteria for each workload type.

Compare Elasticsearch, Typesense, and Meilisearch — relevance, speed, operational complexity, and when to use each

Apply GitOps principles to database changes — PR-based schema reviews, automated migrations, and rollback strategies

Add data quality checks to your pipeline — row count validation, schema drift detection, and anomaly alerting with Great Expectations