Update testing/agent-exporter/src/main/java/io/opentelemetry/javaagen…

…t/testing/exporter/OtlpInMemoryMetricExporter.java Co-authored-by: Trask Stalnaker <[email protected]>
open-telemetry · Feb 26, 2023 · f74723c · f74723c
1 parent f2520c3
commit f74723c
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/...src/main/java/io/opentelemetry/javaagent/testing/exporter/OtlpInMemoryMetricExporter.java b/...src/main/java/io/opentelemetry/javaagent/testing/exporter/OtlpInMemoryMetricExporter.java
@@ -32,6 +32,8 @@ class OtlpInMemoryMetricExporter implements MetricExporter {
   private final AggregationTemporality aggregationTemporality;
 
   OtlpInMemoryMetricExporter() {
+    // this configuration setting is for external users
+    // see https://github.com/open-telemetry/opentelemetry-java-instrumentation/issues/7902
     String temporalityProperty = System.getProperty("otel.javaagent.testing.exporter.temporality");
     if (temporalityProperty == null) {
       aggregationTemporality = AggregationTemporality.DELTA;