Add TraceState to the LogRecord

Signed-off-by: Bogdan Drutu <[email protected]>
open-telemetry · Jan 9, 2024 · e499018 · e499018
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -8,6 +8,8 @@ Full list of differences found in [this compare](https://github.com/open-telemet
 
 * Add a field for W3C-specified Trace Context flags to the `Span` and `Link`.
   [#503](https://github.com/open-telemetry/opentelemetry-proto/pull/503)
+* Add a field for W3C-specified Trace Context TraceState to the `LogRecord`.
+  [#503](https://github.com/open-telemetry/opentelemetry-proto/pull/503)
 
 ## 1.0.0 - 2023-07-03
 

diff --git a/opentelemetry/proto/logs/v1/logs.proto b/opentelemetry/proto/logs/v1/logs.proto
@@ -208,4 +208,9 @@ message LogRecord {
   //   - the field is not present,
   //   - the field contains an invalid value.
   bytes span_id = 10;
+
+  // trace_state conveys information about request position in multiple distributed tracing graphs.
+  // It is a trace_state in w3c-trace-context format: https://www.w3.org/TR/trace-context/#tracestate-header
+  // See also https://github.com/w3c/distributed-tracing for more details about this field.
+  string trace_state = 12;
 }