ubuntu 20.04 lts, mysql CPU load 100%

RU: Всем привет. подскажите, куда копать? Есть EC2 Instance, на нем поднят LAMP Stack

Mysql, по истечению 3-4 дней после очередного ребута, начинает кушать весть CPU в 100% БД очень маленькая, меньше мегабайта. Куда смотреть?

mysql Ver 14.14 Distrib 5.7.35, for Linux (x86_64) using EditLine wrapper

Скрин до ребута ниже. Спасибо!!

ENG: I create AWS EC2 instance, t2.medium, install LAMP Stack. Then, succesfuly restore mysql.dump, configure apache2 + php.

And 3-4 days after creating instance, mysql process use 100% of my CPU. Can you help me please? If i reboot EC2, everything start normal and CPU load is minimal

mysql Ver 14.14 Distrib 5.7.35, for Linux (x86_64) using EditLine wrapper

BEFORE reboot

UPD: error.log

2021-08-25T08:28:47.051298Z 0 [Warning] A deprecated TLS version TLSv1.1 is enabled. Please use TLSv1.2 or higher.
2021-08-25T08:28:47.054673Z 0 [Warning] CA certificate ca.pem is self signed.
2021-08-25T08:28:47.054719Z 0 [Note] Skipping generation of RSA key pair as key files are present in data directory.
2021-08-25T08:28:47.056009Z 0 [Note] Server hostname (bind-address): '127.0.0.1'; port: 3306
2021-08-25T08:28:47.056026Z 0 [Note]   - '127.0.0.1' resolves to '127.0.0.1';
2021-08-25T08:28:47.056137Z 0 [Note] Server socket created on IP: '127.0.0.1'.
2021-08-25T08:28:47.077015Z 0 [Note] InnoDB: Buffer pool(s) load completed at 210825  8:28:47
2021-08-25T08:28:47.144311Z 0 [Note] Event Scheduler: Loaded 0 events
2021-08-25T08:28:47.144515Z 0 [Note] /usr/sbin/mysqld: ready for connections.
Version: '5.7.35'  socket: '/var/run/mysqld/mysqld.sock'  port: 3306  MySQL Community Server (GPL)