Document multiprocessing environments are not supported

bastbu · web-flow · commit 6687c5407a95 · 2025-08-05T14:55:26.000+02:00
diff --git a/exporter/opentelemetry-exporter-prometheus/README.rst b/exporter/opentelemetry-exporter-prometheus/README.rst
@@ -15,6 +15,11 @@ Installation
 
      pip install opentelemetry-exporter-prometheus
 
+Known Limitations
+-----------------
+
+* No multiprocessing support: The Prometheus exporter is not designed to operate in multiprocessing environments.
+
 References
 ----------
 
