Posted inMySQL
Solving MySQL Replication Lag: Speed Up Syncing with Parallel Replication
Eliminate MySQL Replication Lag using Parallel Replication (MTS) and real-world I/O optimization techniques to keep your systems perfectly in sync.
Posted inMySQL
Mastering MySQL Optimizer Hints: When to Take the Wheel from the Optimizer?
Don't let MySQL decide everything. Discover how to use Optimizer Hints in MySQL 8 to optimize indexes, control JOIN order, and instantly speed up queries.
Posted inDatabase
Analyzing MySQL Slow Query Log with pt-query-digest: Pinpointing the Real Culprit Behind Database Slowdowns
pt-query-digest from Percona Toolkit analyzes MySQL Slow Query Log by grouping and ranking queries by their performance impact. A step-by-step guide: enable logging, install the tool, read the report, and optimize real-world queries.
Posted inMySQL
Optimizing MySQL Pagination for Millions of Rows: Use Seek Method Instead of OFFSET
LIMIT OFFSET is the most common performance trap for MySQL tables with millions of rows — the larger the OFFSET, the more rows MySQL must scan and discard. This article breaks down the root cause and walks through two optimization techniques: Late Row Lookup and the Seek Method (Keyset Pagination), with real benchmark data.
Posted inMySQL
A Guide to Using mysqlcheck for MySQL Database Maintenance, Optimization, and Table Repair
A detailed guide on using mysqlcheck to check for table corruption, repair broken tables, and optimize MySQL database performance — with practical tips from real production incidents.
Posted inMySQL
MySQL Thread Pool: The ‘Lifesaver’ for Handling Thousands of Database Connections
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.
Posted inMySQL
Add Columns to a 200 Million Record Table in 0.1 Seconds: The Power of ALGORITHM=INSTANT in MySQL 8.0
Discover how to use ALGORITHM=INSTANT in MySQL 8.0 to add or drop columns on tables with hundreds of millions of records in milliseconds, completely eliminating downtime.
Posted inMySQL
MySQL Histograms: The Secret to Speeding Up Queries Without Adding Indexes
Don't let the MySQL Optimizer guess! Learn how to use Histogram Statistics to speed up queries, optimize data distribution, and reduce index overhead on large tables.
Posted inMySQL
Cleaning Up Million-Row MySQL Tables: Don’t Let DELETE Commands Crash Your System
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.
Posted inMySQL
Optimizing Temporary Tables in MySQL: Preventing I/O Bottlenecks When Processing Complex Queries
Temporary tables in MySQL spilling to disk are a silent culprit behind slow queries and disk I/O spikes. This article breaks down the root cause, how to diagnose it using SHOW STATUS and EXPLAIN, and practical solutions ranging from increasing tmp_table_size to rewriting queries and adding the right indexes.