I had already opened an issue that got closed legitimately : https://jira.mariadb.org/browse/MDEV-15072
I have more elements but it doesn't seem that i can reopen the ticket so i'm posting a new one here.
Is there a way to reopen it ?
In case it's impossible, here are the elements :
I have just applied the PTI patch on the OS and it is causing a massive difference in the execution time of a specific query.
Disabling and reenabling PTI enables me to reproduce the difference at will :
PTI disabled : 7s
PTI enabled : 87s
The query :
Explain doesn't show any difference with and without KPTI fix.
Please find attached the table to reproduce the issue