
MySQL DBA


Optimizing MySQL 8 for Enhanced Write Performance: Key Configuration Strategies

Strategies for Adaptive Hash Indexing in MySQL: To Enable or Disable?

How to configure the Number of Background InnoDB I/O Threads in MySQL 8 for performance?

How Parallel Redo Logs works in InnoDB works in MySQL 8?

Advanced Troubleshooting of MySQL Query Latency and Index Usage with eBPF: Scripts and Methodologies

Optimizing MySQL InnoDB I/O: Effective Strategies for Tuning innodb_io_capacity and innodb_io_capacity_max
Optimizing innodb_io_capacity and innodb_io_capacity_max is a crucial step in maximizing the I/O capabilities of your MySQL instance’s underlying storage hardware. By fine-tuning these parameters, you can align InnoDB’s I/O operations with your hardware’s performance characteristics, resulting in improved overall database efficiency. […]

Unlocking MySQL’s Performance Potential: Navigating the Impact of Queue Waits and Optimizing for Peak Efficiency
Queue waits in MySQL occur when processes or threads wait in a queue before execution. This typically happens when system resources are overutilized, and the server cannot immediately process incoming requests. Queue waits can significantly impact MySQL performance, especially in high-concurrency environments. […]

Creating and Implementing Custom Sequences in MySQL 8
In MySQL, a table-based sequence is used to generate a sequence of numbers, typically for auto-incrementing primary keys. However, unlike some other databases, MySQL does not have a built-in SEQUENCE object. Instead, you can simulate a sequence […]

Managing MySQL Connection Overhead: Understanding the CJ Abandoned Connection Cleanup Thread
In the context of MySQL and its Connector/J (the JDBC driver for MySQL), the “CJ Abandoned Connection Cleanup” thread is a background thread responsible for cleaning up abandoned JDBC connections. The application does not properly […]