Slow server, mysql crashes

Question

I have 2 wordpress sites on a 1G RAM server with zero visitors. I had to take this plan because like many, I had issues with MySQL crashing when no one other than me was on the wordpress sites. They also both of the sites have like 50 posts the most. Tried everything they said on tutorials for how to fixed it, in the end only 1G Ram was the sollution. Not happy with that.

The sites haven’t change for over a month and my main site was about to go live these days and sudenly it take 20sec to load! My code pass on gtmetrix 96% and 98% google gives it also great great ratings. I thought the problem could be with cloudhost dns servers but when I made ping test I got respond from 1ms to 126ms. So is it possible without changes on code and with bigger hosing plan I have suddenly 20sec loading time.

Do you have an idea?

John Bage · Answer

This comment has been deleted

alexdo · Answer

I will recommend you to examine the MySQL error_log as well, because this is likely to give you a more verbose error and point you in the right direction to see what exactly is causing the issue here. The location of the error_log should be: /var/log/mysqld.log or /var/log/mysql/error.log If you’re unable to locate the error_log in this two locations you can double check your my.cnf file and see if the error_log is saved somewhere else. What you can do is to examine the last logged entries in the log using tail You can use either: tail -f /var/log/mysqld.log and tail -f /var/log/mysql/error.log or tail -n 100 /var/log/mysqld.log and tail -n 100 /var/log/mysql/error.log You can share the output of the log here so we can have a look. You can also create a simple bash script to check if MySQL is running and if not to restart it. #!/bin/bash # Check if MySQL is running sudo service mysql status > /dev/null 2>&1 # Restart the MySQL service if it's not running. if [ $? != 0 ]; then sudo service mysql restart fi Run this script every 5 minutes using a cron job like this one: */5 * * * * /home/user/scripts/monitor.sh > /dev/null 2>&1 Hope that this helps!Regards,Alex

alexdo · Answer

Hello, all What you can also do is to use the MySQLTuner script. The MySQLTuner is a script written in Perl and allows you to quickly test your MySQL configuration and it gives you suggestions for adjustments to increase performance and stability. According to the official GitHub page, it supports 300 indicators for MySQL/MariaDB/Percona Server in this last version. To run the script you could do the following: SSH to your Droplet Download the script: wget http://mysqltuner.pl/ -O mysqltuner.pl Then execute it: perl mysqltuner.pl The script would run multiple checks against your MySQL instance, all checks done by MySQLTuner are documented here . Also as stated in the official documentation, it is still extremely important for you to fully understand each change you make to a MySQL database server. If you don’t understand portions of the script’s output, or if you don’t understand the recommendations, you should consult a knowledgeable DBA or system administrator that you trust. As a good practice make sure to always test your changes on staging environments before implementing them on your production database. On the same note, if you want to have a worry-free MySQL hosting and focus on your application, I would recommend trying out the DigitalOcean Managed Databases: https://www.digitalocean.com/products/managed-databases-mysql/ This was mini tutorial was posted from @bobbyiliev in this question in our community: https://www.digitalocean.com/community/questions/how-to-tweak-mysql-mariadb-configuration-for-increased-performance-and-stability Hope that this helps!Regards,Alex

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Slow server, mysql crashes

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Slow server, mysql crashes