Database Insights
Expert insights on database management, performance optimization, and reliability engineering from industry professionals
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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.
Multi-Tenancy Database Patterns: Schema, Row, and Database-Level Isolation
Design multi-tenant databases — compare schema-per-tenant, row-level-security, and database-per-tenant approaches
Multi-Region Database Architecture: Active-Passive, Aurora Global, and Read Routing
Design multi-region database topologies for global latency and DR. Compares active-passive, Aurora Global Database replication, and application-level read routing patterns.
FoundationDB Architecture: ACID Transactions at Distributed Scale
FoundationDB powers Apple iCloud and Snowflake's metadata layer with ACID transactions across distributed nodes. Learn how its ordered key-value core, layer architecture, and simulation testing deliver unmatched reliability.
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.
Database Sharding Patterns: Hash, Range, and Directory-Based Approaches
Compare database sharding strategies: hash sharding for even distribution, range sharding for locality, and directory-based for flexibility. When to shard and alternatives.
PostgreSQL Schema Design for Multi-Tenant SaaS: Three Patterns Compared
Compare three PostgreSQL multi-tenant patterns: shared schema with RLS, schema-per-tenant, and database-per-tenant. Includes hash partitioning for shared schema at scale.
TiDB 8.0: Distributed SQL for Growing Workloads
TiDB 8.0 is the most production-ready version of the distributed SQL database yet. With improved HTAP, stronger MySQL compatibility, and Resource Groups, it's compelling for teams outgrowing single-node MySQL.
OpenSearch vs Elasticsearch in 2026: Licensing, Features, and Migration
OpenSearch (Apache 2.0) and Elasticsearch (EL2/SSPL) have diverged. Compare licensing, security features, AI/ML capabilities, and migration complexity for 2026.
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.
Demystifying TiDB's Write Path: A Guide to Scalable Data Management
TiDB's write path crosses multiple layers — SQL parser, planner, TiKV region leader, Raft log replication, and 2PC commit — before a transaction is durable. Here's a complete walkthrough.
Vector Databases Compared: pgvector, Pinecone, Weaviate, and Qdrant
Compare vector database options for AI workloads — pgvector in PostgreSQL, Pinecone, Weaviate, and Qdrant
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