Raft commit guarantees
Writes are acknowledged after quorum commit, giving a clear consistency contract for API and event-driven workloads.
Raft + Aeron transport
Deterministic cache consistency for low-latency systems.
Aeron Cache is a raft-clustered key-value cache built on Aeron, Agrona, and SBE. It is designed for teams that need predictable replication, compact wire payloads, and operational clarity under traffic spikes.
git clone https://github.com/nexu-io/aeron-cache && ./gradlew runCluster
Ready to copy
Built for infra teams and technical buyers.
You get deterministic writes, compact binary replication, and operational confidence without adopting a heavyweight data platform.
Aeron + Agrona efficiency
Low-garbage data paths with tight memory control keep tail latency stable as throughput climbs.
SBE wire model
Schema-controlled binary messages reduce serialization overhead and simplify cross-service compatibility.
Performance profile by workload posture.
Switch between representative scenarios used during technical discovery and investor demos.
Three-node cluster, operationally simple.
Reference deployment keeps consensus understandable while still supporting practical fault tolerance.
How writes flow
Client write requests land at the leader, are serialized with SBE, replicated through Aeron channels, then committed after majority acknowledgment.
Election timeout keeps failover bounded
Snapshotting controls state replay cost
Backpressure surfaces quickly under overload