performance tuning – ITFROMZERO

MySQL on Windows Server 2022: Don’t Let ‘Next -> Next’ Compromise Your System

By admin September 17, 2026

Don't just click 'Next' when installing MySQL. Learn how to configure Windows Authentication, optimize RAM for 15M+ records, and secure your firewall for production.

VMware

vNUMA Configuration: The Secret to Fixing Slow ‘Beast’ VMs on VMware vSphere

By admin September 16, 2026

Large VMs running slow are often due to vNUMA misalignment. Learn how to align Virtual NUMA with physical CPUs on vSphere to reduce RAM latency and boost app performance by 20-30%.

Python

Python 3.13: Unshackling the GIL with JIT and Free-threading

By admin August 28, 2026

Python 3.13 marks a major turning point with the JIT Compiler and the option to completely remove the GIL. Let's analyze real-world performance and thread-safety considerations when upgrading.

MySQL

Is MySQL Sluggish After a Restart? How to Keep Your Buffer Pool “Hot”

By admin August 26, 2026

Don't let MySQL fall into a 'Cold Cache' state after every restart. Detailed guide on how to configure InnoDB Buffer Pool Dump/Load to keep database performance at its peak.

MySQL

Handling MySQL Hangs Due to Metadata Locking: Don’t Let an ALTER Command Crash Your System

By admin August 16, 2026

Is ALTER TABLE hanging your MySQL? Explore the Metadata Locking (MDL) mechanism, how to use Performance Schema to find blocking threads, and tips for safe migrations on large databases.

MySQL

High-Speed MySQL Backup & Restore: Reducing Time from 15 Hours to 2 Hours with Mydumper

By admin August 1, 2026

Large MySQL database running slow with mysqldump? Discover how to use mydumper and myloader for multi-threaded backups, cutting recovery time by up to 80%.

Development

NATS: A Lifesaver for Microservices When Kafka and RabbitMQ Are Too Heavy

By admin August 1, 2026

Forget the high RAM usage of Kafka or the complexity of RabbitMQ. This article guides you through deploying NATS—a lightweight, high-speed message broker for modern Microservices.

Database

Redis Insight: The Visual Lifesaver for Debugging and Optimizing Redis from A-Z

By admin July 30, 2026

Discover how to use Redis Insight to monitor performance, analyze RAM, and visually debug data. The ultimate CLI alternative for developers.

Git

Supercharge Git Performance with Scalar: A Solution for Multi-Gigabyte Repositories

By admin July 29, 2026

Is your multi-gigabyte repository making Git crawl like a snail? Discover how to use Scalar—a tool from Microsoft—to optimize clone, status, and fetch speeds for massive projects.

VMware

Eliminate ‘Noisy Neighbor’ Issues with VMware SIOC: Protecting Bandwidth for Critical VMs

By admin July 25, 2026

No more Noisy Neighbor headaches! A detailed guide on configuring VMware vSphere SIOC to protect IOPS for critical VMs like SQL and ERP, based on real-world experience.