ZFS read and write bandwidth limits
In environments with workloads competing for the same resources (like using disk space on the same array) it can be useful to limit the ability of an application to flood the infrastructure until saturation. With Solaris 11.4 ZFS got the ability to configure bandwidth limits for read and write.
For more details, please visit: https://www.c0t0d0s0.org/blog/zfsbandwidthlimits.html