Exempt resource attributes from span limits

Author: owais

CHANGELOG.md

@@ -18,6 +18,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   ([#2101](https://github.com/open-telemetry/opentelemetry-python/pull/2101))
 - Fix incorrect headers parsing via environment variables
   ([#2103](https://github.com/open-telemetry/opentelemetry-python/pull/2103))
+- Attribute limits no longer apply to Resource attributes
+  ([#2138](https://github.com/open-telemetry/opentelemetry-python/pull/2138))
 
 ## [1.5.0-0.24b0](https://github.com/open-telemetry/opentelemetry-python/releases/tag/v1.5.0-0.24b0) - 2021-08-26
 

opentelemetry-sdk/src/opentelemetry/sdk/trace/__init__.py

@@ -1069,11 +1069,6 @@ def __init__(
         self._span_limits = span_limits or SpanLimits()
         self._atexit_handler = None
 
-        self._resource._attributes = BoundedAttributes(
-            self._span_limits.max_attributes,
-            self._resource._attributes,
-            max_value_len=self._span_limits.max_attribute_length,
-        )
         if shutdown_on_exit:
             self._atexit_handler = atexit.register(self.shutdown)
 

opentelemetry-sdk/tests/trace/test_trace.py

@@ -1490,7 +1490,6 @@ def test_dropped_attributes(self):
         self.assertEqual(3, span.dropped_events)
         self.assertEqual(2, span.events[0].attributes.dropped)
         self.assertEqual(2, span.links[0].attributes.dropped)
-        self.assertEqual(2, span.resource.attributes.dropped)
 
     def _test_span_limits(
         self,