Reducing lock contention in MySQL involves implementing various techniques and strategies that help minimize the occurrence of lock-related performance issues. Here are some of the ways to reduce lock contention in MySQL: By implementing these […]
Introduction Redo log file IO operations can significantly impact the performance of a MySQL database. The redo log is used to recover the database after a crash or unexpected shutdown. It records all changes made […]
Locks and wait events can significantly impact MySQL performance as they can cause queries to wait, leading to slower response times and decreased performance. The main cause of lock and wait events is contention for […]
Correlated subqueries in MySQL can be slow because they require the subquery to be executed for each row in the outer query. This means that the subquery is executed repeatedly, and the results are used […]
In MySQL 8, invisible indexes are a feature that allows you to create an index without it being used by the optimizer. This can be useful in situations where you want to test the impact […]
Introduction In InnoDB, a linear tree is a type of data structure used for indexing and searching data. Linear trees are also known as B+ trees. The key characteristic of a linear tree is that […]
The MySQL Slow Query Log is a feature that logs SQL statements that exceed a certain threshold of execution time. This log can be used to identify slow queries and to optimize their performance. Here […]
Implementing bulk transactions with a RESTful CRUD API using MySQL and Spring Boot can be done by using the Spring Data JPA framework and its EntityManager class. Here are the general steps to implement bulk […]
MySQL Hot Tables are tables that experience a high volume of traffic and activity, and can quickly become a bottleneck for database performance. When you see higher than expected disk I/O on MySQL Hot Tables, […]
When adding indexes or columns in MySQL, it is important to be aware of the potential for replication to break. One way to prevent this is to use a tool like pt-online-schema-change from the Percona […]
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