> I have many thousands of machines running in multiple datacenters and even getting a ~4mb binary distributed onto them without saturating the network (100mbit

> I have many thousands of machines running in multiple datacenters and even getting a ~4mb binary distributed onto them without saturating the network (100mbit) and slowing everything else down, is a bit of a challenge. You may find murder[1] / Herd[2] / Horde[3] -type tool of some use. [1] https://github.com/lg/murder https://github.com/lg/murder [2] https://github.com/russss/Herd https://github.com/russss/Herd [3] https://github.com/naterh/Horde https://github.com/naterh/Horde