Sorry about that. I will just use Github to host my content hereafter. For now, you can use this friend link. https://medium.com/@rajasekar3eg/fastspark-a-new-fast-native...
The examples seem to be implemented in pure Rust. No one is going to port their Spark jobs to Rust in the shot term. Have you evaluated perf with Python etc?
If you're still seeing significant speedups, you might want to bottle this up and seek VC because a managed service along the lines of 'databricks but 10x faster' would certainly get traction.