Mysql Tutorial Development Tutorials, Guides & Insights

Once you’ve granted privileges, you need to set the password for the root user when connecting from 127.0.0.1.

Run the following command to set or update the root password for TCP connections:

This grants the new root user full access to all databases and tables, as well as the ability to grant permissions to other users.

   FLUSH PRIVILEGES;

In this tutorial, we’ll walk through the steps to resolve this error by increasing the sort buffer size, optimizing queries, and adjusting MySQL configurations.

The error #1038 - Out of sort memory, consider increasing server sort buffer size is an indication that MySQL's internal memory allocation for sorting data has been exhausted. MySQL uses a buffer to sort data, and when the amount of data being sorted exceeds the available buffer size, the server can't complete the operation, leading to this error.

CREATE INDEX idx_name ON users(first_name, last_name);

To view existing indexes on a table, use the SHOW INDEX command:

Prometheus collects metrics from your MySQL server, and Grafana provides a powerful dashboard for visualization.

• Prometheus: Set up a MySQL exporter to collect metrics.
• Grafana: Use Grafana to create custom dashboards and alerts based on Prometheus data.