Tag
context-propagation
- Mar 24, 2026 Propagating Context Across Queues, Threads, and Proxies Why an implicit current-span variable fails the moment work moves to another thread or another process, and how context has to be carried explicitly through each boundary type. observability
- Apr 27, 2025 Head-Based Sampling by Trace-ID Threshold Why comparing the low bits of a trace identifier against a fraction gives an unbiased sample, and how propagation keeps the decision consistent across services. observability