PostgreSQL Performance Tuning - From 500ms to 20ms Queries
Practical PostgreSQL performance tuning techniques that reduced query times from 500ms to 20ms, including indexing strategies, query optimization, and configuration tuning.
🏷️ database
15 posts
MongoDB Schema Design Patterns for High Performance
MongoDB schema design patterns and anti-patterns learned from managing a 500GB database with 100M+ documents.
MongoDB Aggregation Pipeline - Complex Queries Made Simple
Mastering MongoDB aggregation pipeline for complex data transformations, analytics, and reporting with real-world examples.
PostgreSQL JSON Performance - Optimizing JSONB Queries
Optimizing PostgreSQL JSONB queries from 2 seconds to 50ms using indexes, query planning, and schema design.
MongoDB Aggregation Pipeline: Complex Queries Made Simple
Optimized MongoDB queries with aggregation pipeline - query time 30s → 2s (93% faster), complex analytics now possible
PostgreSQL 13: Performance Improvements That Matter
Upgraded to PostgreSQL 13 - B-tree deduplication, parallel vacuum, incremental sort. Query performance improved by 40%, vacuum 2x faster
Redis 6.0: ACL Security and SSL/TLS Support
Upgraded to Redis 6.0 - implemented ACL for multi-tenant security, SSL/TLS encryption. Eliminated security vulnerabilities, zero breaches
MySQL 8.0 Performance Tuning: From 1K to 10K QPS
Optimized MySQL 8.0 with new features - query performance 10x, instant DDL, invisible indexes. QPS 1K → 10K
Zero-Downtime Database Migrations: Strategies for Production Systems
Migrating databases without downtime - backward-compatible changes, dual-write pattern, and migrating 500GB database with zero user impact
Kubernetes Persistent Volumes: Stateful Applications Done Right
Managing persistent storage in Kubernetes - PV, PVC, StorageClass, dynamic provisioning, and running databases in production
PostgreSQL Backup and Recovery: Lessons from a 3AM Data Loss Incident
Implementing robust PostgreSQL backup strategies - pg_dump, pg_basebackup, PITR, and the disaster recovery plan that saved our business
MySQL Master-Slave Replication: High Availability Setup
Setting up MySQL replication for read scaling and failover - master-slave configuration, monitoring lag, and handling failures
Redis Persistence: RDB vs AOF in Production
Choosing the right Redis persistence strategy - RDB snapshots, AOF logs, and hybrid approach for our caching layer
PostgreSQL Query Optimization: From 5s to 50ms
How I optimized slow database queries using indexes, query analysis, and caching strategies
PostgreSQL Index Optimization: From 12s to 80ms
Optimizing slow queries with proper indexing strategies - B-tree, partial indexes, and covering indexes in production