High CPU usage every 10 minutes

Xibo server - 1.8.13, docker
Client - 1640 clients android 1.8-110.
Proof of Play - disable.
Collect interval - 30 minutes
The average processor load is 17%.
The peak CPU load is 84%.
The load is created by the cms-web container. The duration of the load is 2-3 minutes and drops.
What does the CPU use every 10 minutes?
docker-compose logs

Attaching to xibo-docker-1813_cms-web_1, xibo-docker-1813_cms-db_1, xibo-docker-1813_cms-xmr_1
cms-db_1   | 2024-02-06 11:56:54+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 5.6.51-1debian9 started.
cms-db_1   | 2024-02-06 11:56:54+00:00 [Note] [Entrypoint]: Switching to dedicated user 'mysql'
cms-db_1   | 2024-02-06 11:56:54+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 5.6.51-1debian9 started.
cms-db_1   | 2024-02-06 11:56:55 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documen                                           tation for more details).
cms-db_1   | 2024-02-06 11:56:55 0 [Note] mysqld (mysqld 5.6.51) starting as process 1 ...
cms-db_1   | 2024-02-06 11:56:55 1 [Note] Plugin 'FEDERATED' is disabled.
cms-db_1   | 2024-02-06 11:56:55 1 [Note] InnoDB: Using atomics to ref count buffer pool pages
cms-db_1   | 2024-02-06 11:56:55 1 [Note] InnoDB: The InnoDB memory heap is disabled
cms-db_1   | 2024-02-06 11:56:55 1 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
cms-db_1   | 2024-02-06 11:56:55 1 [Note] InnoDB: Memory barrier is not used
cms-db_1   | 2024-02-06 11:56:55 1 [Note] InnoDB: Compressed tables use zlib 1.2.11
cms-db_1   | 2024-02-06 11:56:55 1 [Note] InnoDB: Using Linux native AIO
cms-db_1   | 2024-02-06 11:56:55 1 [Note] InnoDB: Using CPU crc32 instructions
cms-db_1   | 2024-02-06 11:56:55 1 [Note] InnoDB: Initializing buffer pool, size = 128.0M
cms-db_1   | 2024-02-06 11:56:55 1 [Note] InnoDB: Completed initialization of buffer pool
cms-db_1   | 2024-02-06 11:56:55 1 [Note] InnoDB: Highest supported file format is Barracuda.
cms-db_1   | 2024-02-06 11:56:55 1 [Note] InnoDB: 128 rollback segment(s) are active.
cms-db_1   | 2024-02-06 11:56:55 1 [Note] InnoDB: Waiting for purge to start
cms-db_1   | 2024-02-06 11:56:55 1 [Note] InnoDB: 5.6.51 started; log sequence number 265758389996
cms-db_1   | 2024-02-06 11:56:55 1 [Note] RSA private key file not found: /var/lib/mysql//private_key.pem. Some authentication plugins will not work.
cms-db_1   | 2024-02-06 11:56:55 1 [Note] RSA public key file not found: /var/lib/mysql//public_key.pem. Some authentication plugins will not work.
cms-db_1   | 2024-02-06 11:56:55 1 [Note] Server hostname (bind-address): '*'; port: 3306
cms-db_1   | 2024-02-06 11:56:55 1 [Note] IPv6 is available.
cms-db_1   | 2024-02-06 11:56:55 1 [Note]   - '::' resolves to '::';
cms-db_1   | 2024-02-06 11:56:55 1 [Note] Server socket created on IP: '::'.
cms-db_1   | 2024-02-06 11:56:55 1 [Warning] Insecure configuration for --pid-file: Location '/var/run/mysqld' in the path is accessible to all OS users. Consider choosi                                           ng a different directory.
cms-db_1   | 2024-02-06 11:56:55 1 [Warning] 'proxies_priv' entry '@ root@7d072ff5de84' ignored in --skip-name-resolve mode.
cms-db_1   | 2024-02-06 11:56:55 1 [Note] Event Scheduler: Loaded 0 events
cms-db_1   | 2024-02-06 11:56:55 1 [Note] mysqld: ready for connections.
cms-db_1   | Version: '5.6.51'  socket: '/var/run/mysqld/mysqld.sock'  port: 3306  MySQL Community Server (GPL)
cms-web_1  | Waiting for MySQL to start - max 300 seconds
cms-web_1  | MySQL started
cms-web_1  | DBVersion
cms-web_1  | 146
cms-web_1  | Existing Database, checking if we need to upgrade it
cms-web_1  | Updating settings.php
cms-web_1  | Importing ca-certs
cms-web_1  | cp: can't stat '/var/www/cms/ca-certs/*.pem': No such file or directory
cms-web_1  | cp: can't stat '/var/www/cms/ca-certs/*.crt': No such file or directory
cms-web_1  | WARNING: ca-certificates.crt does not contain exactly one certificate or CRL: skipping
cms-web_1  | Configuring Maintenance
cms-web_1  | Removing web/install/index.php from production container
cms-web_1  | Running maintenance
cms-web_1  | Starting cron
cms-web_1  | Starting webserver
cms-web_1  | AH00558: httpd: Could not reliably determine the server's fully qualified domain name, using 10.6.1.4. Set the 'ServerName' directive globally to suppress t                                           his message
cms-web_1  | Waiting for MySQL to start - max 300 seconds
cms-web_1  | MySQL started
cms-web_1  | DBVersion
cms-web_1  | 146
cms-web_1  | Existing Database, checking if we need to upgrade it
cms-web_1  | Configuring Maintenance
cms-web_1  | crontab: can't open '/etc/crontabs/apache': Permission denied
cms-web_1  | Running maintenance
cms-web_1  | Starting cron
cms-web_1  | Starting webserver
cms-web_1  | AH00558: httpd: Could not reliably determine the server's fully qualified domain name, using 10.6.1.4. Set the 'ServerName' directive globally to suppress t                                           his message



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