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neuron-tai/docs/issues/24-availability-map.md
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Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-07-01 14:18:26 +03:00

957 B

US-024 — Enhanced availability map with per-node health details

Status: done Priority: Medium Stage: Implemented

Context

GET /v1/coverage/<model> returns band-level coverage (start_layer, end_layer, node_count) but gives no visibility into which specific nodes are in each band or whether they are alive. Operators debugging a split-model deployment need to see node-level health at a glance.

Format decision

Both: band metadata + node list grouped under each band. Dead nodes included with healthy: false so operators can see them.

Acceptance criteria

  • Each band in the response includes nodes: [{node_id, endpoint, healthy, queue_depth, last_seen_s}]
  • healthy is true iff last heartbeat < heartbeat_timeout seconds ago
  • Existing band fields (start_layer, end_layer, node_count) preserved
  • Tests updated to check band fields individually (not exact dict comparison)
  • python -m pytest passes