Stop Guessing Connection Pool Size: Fix DB Bottlenecks
Learn why oversized database connection pools ruin performance, and how to calculate the optimal pool size for high-throughput microservices.
Architecture
#database
← The IndexStop Offset Pagination: Switch to Cursor Pagination
Learn why OFFSET pagination causes slow database queries and data drift, and how to implement fast, scalable cursor-based pagination in your REST APIs.
API Design
Stop Querying DB in Loops: Fix the N+1 Query Disaster
Learn how N+1 queries ruin database performance and how to solve them effectively using JOINs, prefetching, and DataLoader in TypeScript and SQL.
Backend
Stop Lost Updates: Fix Race Conditions with Optimistic Locking
Learn how Optimistic Locking prevents silent data overwrites in concurrent web applications with practical SQL and TypeScript code examples.
Database
Stop Dual-Write Bugs: Master the Transactional Outbox Pattern
Learn how the Transactional Outbox Pattern prevents dual-write inconsistencies when publishing events after database transactions in modern web apps.
Backend
Stop Using Floats for Money: The Integer Approach
Stop losing money to floating-point errors. Learn why floats fail and how to use integers, cents, and Decimal types to handle currency safely in code.
Architecture
Stop Using UUIDv4 as Primary Keys: Switch to UUIDv7
UUIDv4 primary keys cause B-Tree index fragmentation and kill database write performance. Discover why time-sorted UUIDv7 and ULID are better solutions.
Architecture
Stop Querying in Loops: Fixing N+1 Issues with DataLoader
Discover how the N+1 query problem silently kills your application's performance and learn how to solve it permanently using DataLoader for efficient batching.
Database
Stop Using OFFSET: Faster Pagination with Cursors
Learn why OFFSET pagination hurts database performance at scale, and how cursor pagination speeds up your queries with practical code examples.
Backend