Monitoring your MySQL database performance in real-time helps you immediately identify problems and other factors that could be causing issues now or in the future. It’s also a good way to determine which components of the database can be enhanced or optimized to increase your efficiency and performance. This is usually done through monitoring software and tools either built-in to the database management software or installed from third-party providers.

Prometheus is an open-source software application used for event monitoring and alerting. It can be used along with a visualization tool like Grafana to easily create and edit dashboards, query, visualize, alert on, and understand your metrics. ScaleGrid provides full admin access to your MySQL deployments – this makes it …

I am going to write a series of blog posts based on my talks and experiences at Percona Live Europe 2019. The first one would be a kind of extended comment for a couple of slides from the "Tracing and Profiling MySQL" talk.

We can surely wait until Performance Schema instruments every other line of code or at least every important stage and wait in every storage engine we care about, but there is no real need for that. If you run any version of MySQL under Linux with more or less recent kernel (anything newer than 4.1 is good enough, in general), you can easily use dynamic tracing for any application (at least if there is symbolic information for the binaries), any time. As Brendan Gregg put it here:
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phpMyAdmin is a free and open-source web-based database management tool for MySQL. In this tutorial, we will learn how to install phpMyAdmin with Nginx on Ubuntu 18.04 server.

So the issue of max_connections dropping from the value set in your my.cnf file down to 214 has been around for a little while on Ubuntu.

As an example, it was noted here back in 2015

• https://codepoets.co.uk/2015/mysql-max_connections-stuck-on-214/

I ran into this again recently and was resolved with the following steps.


# cp /lib/systemd/system/mysql.service /etc/systemd/system/
# cd /etc/systemd/system/
# vi mysql.service

LimitNOFILE=infinity
LimitMEMLOCK=infinity

# systemctl daemon-reload
# systemctl restart mysql


Once those steps completed the MySQL connections were stable at the given parameter in the my.cnf file. 

Phorum is a PHP and MySQL based Open Source forum software. In this guide, we will guide you step-by-step through the Phorum installation process on the Ubuntu 18.04 LTS operating system using Nginx as the web server, MySQL as the database, and acme.sh and Let's Encrypt for HTTPS.

This tutorial shows how you can install Nginx on an Ubuntu 18.04 LTS server with PHP 7.2 support (through PHP-FPM) and MySQL support (LEMP = Linux + nginx (pronounced "engine x") + MySQL + PHP).

In this guide, we're going to show you how to Dockerize the Laravel project with PHP-FPM, MySQL database, and the Nginx web server using the Docker Compose on the Ubuntu Server 18.04. We're going to create a new docker image for the Laravel Project, and then create the docker-compose.yml script that contains some services including, the App/Laravel itself, Nginx web server, and MySQL database.

The LEMP stack is a web development platform for hosting static and dynamic websites. It is a combination of free and open-source software including Linux, Nginx, MySQL, and PHP. It is an alternative to the highly popular LAMP stack, the only difference being having Nginx as a web server instead of Apache. Requirements: For the […]

In this tutorial, we will show you how to install and improve the security of MySQL on Ubuntu 18.04. MySQL is one of the most popular and widely-used open-source relational database management systems. It is used for building web applications such as WordPress, Drupal, Joomla, and Magento, and is an important part of the LAMP/LEMP […]

Cachet is a beautiful and powerful open source status page system written in PHP that allows you to better communicate downtime and system outages to your customers, teams, and shareholders. In this tutorial, we will install Cachet status page system by utilizing PHP, Nginx, MySQL, and Composer on Ubuntu 18.04 LTS.