AI / OpenClaw Interview Questions
How do you troubleshoot an OpenClaw agent that appears to hang or serialize incorrectly across concurrent sessions?
- Confirm whether the behavior is happening within a single session or across multiple sessions, since per-session serialization is expected behavior, not a bug, for messages within the same conversation
- Check whether the Agent Runtime's failover attempt loop is repeatedly retrying against an unavailable or misconfigured model provider, which can look like a hang from the outside
- Review the Gateway's routing to confirm node.invoke frames for different sessions are actually being dispatched to separate Agent Runtime instances, rather than accidentally funneling through a shared bottleneck
- Inspect session transcripts and the session index for signs of a stuck or orphaned session that never received a completion signal
- If sandboxing is enabled, verify the sandbox environment itself isn't the bottleneck, since Docker container startup or resource limits can introduce delays that look like the agent hanging
In most cases, what looks like broken concurrency is actually expected per-session serialization being mistaken for a global bottleneck, genuine cross-session issues usually trace back to provider failover loops or resource limits in the execution environment rather than the Gateway's routing logic itself.
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