hitting 2048 threads/jobs limit

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Hi,

is there a way to increase the 2048 threads/jobs limit in FIO?

I am hitting a wall trying to saturate a storage on random 8kB reads .. can't get over 5 mio IOPS.

Please see the top most / right most IOPS value 4.597.700 in here:

https://github.com/oberstet/scratchbox/raw/master/cruncher/sql19/Performance%20Results%20-%20NVMe%20Scaling%20with%20IO%20Concurrency.pdf

The box has still more CPU cycles avail .. and the IOPS over IO concurrency seems to indicate there is more room ..

Cheers,
/Tobias

PS: thanks for an _awesome_ tool!
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