Context Propagation Failures in Async Chains
warningreliabilityUpdated Feb 6, 2026
Distributed tracing context fails to propagate correctly across async boundaries (asyncio.gather, background tasks), breaking trace continuity and hiding performance bottlenecks in concurrent operations.
How to detect:
Detect broken trace chains where child spans appear orphaned or missing in distributed traces. Monitor for gaps in span timing that don't match actual request duration. Look for concurrent operations that don't show parallelism in trace visualizations.
Recommended action:
Ensure OpenTelemetry context propagation across all async boundaries by explicitly passing context to asyncio tasks. Use context managers correctly around concurrent operations. Validate trace completeness in monitoring dashboards and alert on orphaned spans.