Scaling to billions of facts?

This post notes my most successful proof of concept.

Cumulative writes: 
   671M writes, 671M keys,
   671M commit groups,
   1.0 writes per commit group,
ingest:
   60.01 GB,
   0.50 MB/s

Essentially use

Don’t know if those have reached the level of production quality but the proof of concept did work.