FNCache is an experimental Kubernetes node agent that uses an eBPF datapath to accelerate selected cross-node IPv4 Pod traffic in Flannel VXLAN clusters. It learns the overlay and endpoint state required by eligible flows, then provides a fast path while preserving Flannel's normal path when the cache is cold or the datapath is not ready.
Install the latest stable release:
helm upgrade --install fncache \
oci://ghcr.io/fncache-project/charts/oncache \
--namespace fncache-system \
--create-namespace \
--waitFNCache starts automatically after installation. See the usage guide for details.
