backend – Page 5 – ITFROMZERO

Development tutorial - IT technology blog

Redis Distributed Lock in Microservices: Preventing Race Conditions in Concurrent Processing

By admin June 25, 2026

A guide to implementing Redis Distributed Lock in a Microservices architecture to solve Race Conditions when multiple services process the same data concurrently. Includes real Python code with safe Lua scripts, guidance on choosing the right TTL, and monitoring locks in Redis.

MySQL

MySQL Isolation Levels: Don’t Let Transactions Ruin Your Data

By admin June 21, 2026

Dirty Read, Non-repeatable Read, and Phantom Read are classic database errors. Learn how MySQL uses four Isolation levels to protect your data.

MySQL

Fixing MySQL Connection Errors: From 1045 to ‘Too Many Connections’ – Real-World Stories and Solutions

By admin June 20, 2026

Fix MySQL errors 1045, 2002, and Too Many Connections with hands-on, real-world guidance. Learn how to accurately diagnose problems and optimize database connections based on practical experience.

Python

Kubernetes Automation with Python: Going Beyond kubectl

By admin June 19, 2026

Don't let Kubernetes management become a burden. Learn how to use the Python Kubernetes Client to automate Pods, Deployments, and real-time events efficiently.

Development

Virtual Threads in Java 21: Handling Millions of Concurrent Requests with Low Resource Usage

By admin June 15, 2026

Compare Platform Threads, Reactive Programming, and Virtual Threads (Project Loom) in Java 21. A hands-on implementation guide with Spring Boot 3.2 covering pinning pitfalls and I/O-bound optimization to handle millions of concurrent requests with minimal resources.

MySQL

MySQL Thread Pool: The ‘Lifesaver’ for Handling Thousands of Database Connections

By admin June 10, 2026

Don't let MySQL collapse under connection overload. A detailed guide on configuring Thread Pool to optimize CPU, reduce context switching, and keep your database stable under heavy pressure.

Database

Database Version Control with Liquibase: Automating CI/CD and ‘Painless’ Rollbacks

By admin June 9, 2026

Manual database management is the fastest route to a deployment disaster. Discover how to use Liquibase to automate migrations and secure your data just like you manage code with Git.

MySQL

Cleaning Up Million-Row MySQL Tables: Don’t Let DELETE Commands Crash Your System

By admin June 7, 2026

Don't let a DELETE command crash your server! Discover 3 safe techniques for cleaning up million-row MySQL tables: Batching, Partitioning, and pt-archiver based on real-world experience.

Development

Deno 2: Building REST APIs Without ‘node_modules’, Maximum Security, and Node.js Compatibility

By admin June 5, 2026

Deno 2 is a revolution for the JavaScript runtime, offering seamless Node.js compatibility and security by default. Learn to build REST APIs with TypeScript without node_modules or complex configurations.

Python

Why I Ditched Requests for Httpx: A Guide to Async HTTP Client and HTTP/2 for Python

By admin June 4, 2026

Don't let 'requests' slow down your Python apps. Discover how httpx speeds up systems with Async, HTTP/2, and Connection Pooling through practical examples.