Recently I installed Zpanel on an Unbuntu 12.04.5 x64 droplet. All gose web, but i have a problem. Mysql stops working and I have no idea why. Can someone help me with this problem? I tried to check if mysql is up and make cronjob to restart it but that does not work. I need to restart manually from command line. That is not a problem, but if i’m not at home, how can i restart the mysql?
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A better solution is to check why your MySQL needs so much memory, try to optimize its resources before you invest on more, use this to optimize: Percona tools. Also check if your site/application/whatever is running smoothly or is causing heavy traffic peaks to your db.
If your mysql and application/website are running on the same droplet maybe you should consider something bigger but again check if is something you can solve before you invest on resources.
use “top” or better yet get a free newrelic account and monitor your server resources so you can be sure which process are consuming memory.
I found that MySQL gets restarted due to automatic unattended upgrades that seems to be included in the later (I believe) Ubuntu releases.
Can be stopped by adding a blacklist entry to: /etc/apt/apt.conf.d/50unattended-upgrades
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