Database Administration – ITFROMZERO

Delayed Replication in MySQL: A “Lifesaver” for Accidental Data Deletion

By admin September 5, 2026

Don't let a simple mistake destroy your entire database. Learn how to configure Delayed Replication in MySQL to create a 'time machine' for instant data recovery.

MySQL

Fixing the “The table is full” Error in MySQL: When Hundreds of GBs are Still Free

By admin August 24, 2026

Don't panic when MySQL reports 'The table is full' despite having free disk space. This guide shows how to relax innodb_data_file_path limits and optimize tablespaces effectively.

MySQL

Handling MySQL Replication Data Drift: Mastering Percona Toolkit with Zero Downtime

By admin August 23, 2026

Is your Master and Slave data out of sync even though Replication is running? Learn to use pt-table-checksum and pt-table-sync for online MySQL synchronization without downtime.

MySQL

MySQL Replication Filters: Pro Tips to Filter Databases and Tables to ‘Rescue’ Your Slave

By admin August 22, 2026

Learn how to use MySQL Replication Filters to optimize data synchronization. Save up to 80% disk space on your Slave and effectively reduce replication lag.

MySQL

MySQL Multi-Source Replication: The Ultimate Consolidation Trick for Data Engineers

By admin May 17, 2026

Tired of manual data aggregation? Discover how to configure MySQL Multi-Source Replication to consolidate data from multiple masters into a single source. Practical tips on handling ID conflicts and speed optimization for MySQL 8.0.

MySQL

Percona XtraBackup Guide: Back up 100GB+ MySQL Databases Without System Freezes

By admin May 16, 2026

No more website crashes during MySQL backups! A detailed guide on using Percona XtraBackup for safe Hot Backups of large data without table locking.

MySQL

ALTER TABLE on Large MySQL Tables Without Downtime: A Guide to pt-online-schema-change

By admin May 15, 2026

Don't let ALTER TABLE crash your system. Learn how to use pt-online-schema-change to modify large MySQL tables safely, smoothly, and without downtime.

Database

Is Your PostgreSQL Disk Bloating? Pro Tips to Fix Bloat and Optimize Autovacuum

By admin April 21, 2026

PostgreSQL disk full due to Database Bloat? Learn how to optimize Autovacuum, use pg_repack, and REINDEX CONCURRENTLY to free up space without downtime.

Ubuntu

Installing PostgreSQL on Ubuntu 22.04: From Zero to Production Deployment

By admin March 29, 2026

Learn how to professionally install and configure PostgreSQL on Ubuntu 22.04. A guide to creating users, securing remote connections, and managing disk space effectively.