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Sameer Borate:
How to profile and debug MySQL queries for speed
Apr 02, 2018 @ 15:40:59

On his Code Diesel site Sameer Borate has a quick post sharing a helpful tool that can make profiling the SQL queries your application makes simpler. In this post he shows how to use the Neor Profile SQL profiler desktop application (compatible with Windows, OSX and Linux) to hook into your SQL flow and evaluate the queries in real time.

Most MySQL applications need profiling for speed enhancements at one time or other. I’ve developed several web applications in the past wherein MySQL queries were a major bottleneck in the application performance. In the past however there were no easy tools to analyse SQL queries in a running application and we programmers had to depend on some makeshift solutions to debug SQL queries. Now, however there are some nice free tools which can help you profile MySQL application queries easily.

My favorite among them is Neor Profile SQL profiler. This is a desktop tool which allows you to easily profile your application SQL queries and also lets you query the same in a live application.

He starts with the changes to make to your configuration to point to the profiler for interception. This is then hooked into the MySQL database and queries will be profiled in real-time. The tool provides information like time of execution, number of rows returned, a graph showing the queries by type and includes the ability to run (or re-run) custom queries.

tagged: mysql database profile speed performance

Link: https://www.codediesel.com/mysql/how-to-profile-and-debug-mysql-queries-for-speed/


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