Hi,
So I will re-configure my installation to use MariaDB.
You should also consider the Redis backend.
Ok, had a look when using MariaDB and I monitored it for the last 24hrs.
My 10 vCPUs where used, no I/O waits. But CPU usage overall was
according to "top" only at 25% as top showed 75% idle. I assume there is
some locking in place limiting the CPU usage.
I configured it now to use Redis instead of MySQL and top tells me about
25% idle with 0% I/O waits when running 10 sa-learn in parallel.
Increasing or decreasing the number of jobs does not significally change
the idle percentage.
So using redis the CPU usage is higher compared to MySQL.
Thanks for ideas!
/Christian