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Resolved After Plesk-Update 18.0.69 Update 3 mariadbd high memory usage - every time - also after every server restart

mcac

New Pleskian
Server operating system version
Almalinux 8.10
Plesk version and microupdate number
18.0.69 Update 3
Since today one of our servers have issues with high memory usage of mariadbd. I have checked all steps https://support.plesk.com/hc/en-us/...TM1MjgkbzU5JGcxJHQxNzQ2Njk5MzIyJGozNiRsMCRoMA..

There are no error-logs.
There are no slow querries.
Performance boost executed
restarts executed
it is enough free disk space

After every restart of mariadbd the memory usage of mariadbd is 74 % and more.

I don't know what is the reason. I did not find any reasons in this forum.

The server works not stable because of this high memory usage.

What can I do.

The issues began tonight after automatically Plesk Update. At 3.45 o clock i got the message, that

Plesk Obsidian 18.0.69 Update 3 was installed​

After the time the MySQL server does not run correctly. (Many hours gone) After a server restart, the mysql server runs, but with many memory usage.
 
Reason found:
There was a entry in /etc/mysql/my.cnf with high innodb_buffer_pool_size. Entry deleted and service restarted and now the high memory usage is obsolet.
I don't know, why there was no problems before. I think, the update was not the reason.
 
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