It seems the issue you have is here:
Failed at step EXEC spawning /srv/blender/blender: No such file or directory
Make sure the archive with blender was unpacked properly - if you changed the url it's quite possible it's unavailable from the GCP subnet
Accurate
to Fast
and Albedo and Normal
to Albedo
Manager counts number of frames and number of agents.
Manager divides frames among agents evenly:
"Ok, agent 1 you get frames 1-20"
"Agent 2, you get 21-40"
"Agent 3..." etc.
Each computer goes and renders its assigned section and sends completed frames back to client PC