cgroup_disable=cpu and as matter of fact cgroup_disable= all cgroups improves things (adds extra 12% for bash), but not to the full extent.
When you read from non-primary nodes in Group Replication you get stale reads. There is no protection in place.
InnoDB Cluster includes MySQL Router, but you recommend using ProxySQL?
PostgreSQL does not have bugs - there is even no bugtracker https://lwn.net/Articles/660468/ . It is hard to analyze bugs if there is no central place for them.
cgroup_disable=cpu and as matter of fact cgroup_disable= all cgroups improves things (adds extra 12% for bash), but not to the full extent.
When you read from non-primary nodes in Group Replication you get stale reads. There is no protection in place.
InnoDB Cluster includes MySQL Router, but you recommend using ProxySQL?
PostgreSQL does not have bugs - there is even no bugtracker https://lwn.net/Articles/660468/ . It is hard to analyze bugs if there is no central place for them.