Phi_accrual - source-agnostic φ-accrual failure detector for Elixir/OTP - Libraries - Elixir Programming Language Forum
Two libraries. φ-accrual failure detector (Hayashibara 2004) split into core + transport. phi_accrual 1.0 — phi_accrual | Hex Source-agnostic. Feed in heartbeat arrivals, read out φ. No transport, no membership, no thresholding baked in. Dual-α EWMA (separate smoothing for mean and variance) Four-state result: :steady / :recovering / :insufficient_data / :stale :erlang.system_monitor integration → local_pause? + confidence flags on φ output (:long_gc, :long_schedule, :busy_dist_port) Per-nod...