This is a patch release intended to alleviate performance issues reported by some users since the nv18 upgrade.
The primary change is to update the FFI to allow for FVM parallelism of 4 by default, and make this user-configurable.
through the LOTUS_FVM_CONCURRENCY env var.
Users with higher memory specs can experiment with setting LOTUS_FVM_CONCURRENCY to higher values, up to 48, to allow for more concurrent FVM execution.
Bug fixes
- Splitstore: Don't enforce walking receipt tree during compaction #10505
- fix: build: drop drand incentinet servers #10506
Improvement
- chore: update ffi to increase execution parallelism #10503