Brain /health intermittently unresponsive >3s during inference — flaps the app's offline banner #119

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opened 2026-08-06 21:23:32 +00:00 by tim.lingo · 0 comments
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BUG-49 (P2). While an LLM call is in flight, the brain's /health endpoint intermittently takes >3 s to answer. The desktop app's offline detection polls it, so a user mid-conversation can see the app flip to "offline" while the brain is perfectly healthy and actively working.

Suspected (not established): single-threaded serving — the health check queues behind the inference call. Needs confirmation before anyone writes a fix.

Repro context: found during round-9 verification, 2026-08-06.

Done looks like: /health answers within the app's timeout while an inference is in flight, or the app's liveness check stops depending on a route that can queue behind one.


Filed from our local bug register (docs/BACKLOG.md) so it is pickup-able by anyone with time, not just its author. Unassigned on purpose — claim it if you want it.

**BUG-49 (P2).** While an LLM call is in flight, the brain's `/health` endpoint intermittently takes **>3 s** to answer. The desktop app's offline detection polls it, so a user mid-conversation can see the app flip to "offline" while the brain is perfectly healthy and actively working. **Suspected (not established):** single-threaded serving — the health check queues behind the inference call. Needs confirmation before anyone writes a fix. **Repro context:** found during round-9 verification, 2026-08-06. **Done looks like:** `/health` answers within the app's timeout while an inference is in flight, or the app's liveness check stops depending on a route that can queue behind one. --- *Filed from our local bug register (`docs/BACKLOG.md`) so it is pickup-able by anyone with time, not just its author. Unassigned on purpose — claim it if you want it.*
tim.lingo added the POST-BETA label 2026-08-06 21:23:32 +00:00
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Reference: neuron-technologies/neuron#119