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Installing MySQL 8 on CentOS Stream 9: Official Repository, SELinux, and Performance Tuning

By admin July 3, 2026

Guide to installing MySQL 8 on CentOS Stream 9 from the official repository — avoiding the common pitfall of getting MariaDB instead. Covers SELinux configuration, firewalld access control, and InnoDB buffer pool tuning for production servers.

MySQL

MySQL InnoDB Locking: Understanding Row, Gap, and Next-Key Locks to Prevent System Crashes

By admin June 27, 2026

A deep dive into Row, Gap, and Next-Key Locks in MySQL InnoDB. Real-world experience for preventing deadlocks and optimizing performance for high-scale systems.

MySQL

Optimizing MySQL Storage: Choosing the Right Data Types to Speed Up I/O and Save RAM

By admin June 26, 2026

Choosing the wrong MySQL data types causes unnecessarily bloated databases, high I/O, and wasted RAM. This article shares real-world experience from a 50GB production database: how to choose correctly between INT/BIGINT, VARCHAR/TEXT, ENUM, and TIMESTAMP to optimize performance right from schema design.

MySQL

How to Use MySQLTuner to Diagnose and Quickly Optimize MySQL Server Configuration

By admin June 13, 2026

MySQLTuner is a Perl script that analyzes your running MySQL configuration and delivers specific optimization recommendations in just a few minutes. This guide walks through installation, interpreting the output, and applying key settings like innodb_buffer_pool_size and thread_cache_size in practice.

MySQL

Configuring Transparent Data Encryption (TDE) in MySQL 8: Protecting Sensitive Data at the Storage Layer (At-Rest)

By admin June 13, 2026

TDE (Transparent Data Encryption) in MySQL 8 encrypts data at the storage layer, protecting .ibd tablespace files from being read directly — with no application code changes required. This guide walks through the full setup: installing the keyring component, encrypting tables and tablespaces, rotating the master key on a schedule, and verifying and monitoring real-world effectiveness.

MySQL

MySQL Performance Tuning: Boosting Speed with Buffer Pool and Thread Pool in Practice

By admin April 15, 2026

Expert secrets for practical MySQL optimization: Configuring Buffer Pool, Thread Pool, and Redo Log to speed up queries, reduce Disk I/O, and stabilize systems during high traffic.