Your comments
Provided solution is not correct and will not be included.
Development started here : https://github.com/glpi-project/glpi/pull/5725
Check work in progress : https://github.com/glpi-project/glpi/pull/5477
Please, don't use sources only archive.
On official website (https://glpi-project.org/downloads/) you'll find a full archive with bundled composer dependencies.
Percona is the leader of MySQL advanced systems and so also for replication.
I speak with experience. We currently have multi location replication with this solution above MySQL.
By the way, we could discuss it by voice, you know how to contact us ;)
Hello.
I think you should check Percona XtraDB Cluster
https://www.percona.com/software/mysql-database/percona-xtradb-cluster
Customer support service by UserEcho
Done in GLPI 9.4 : https://github.com/glpi-project/glpi/pull/4482