diff --git a/examples/Example.MinimalApi/Properties/launchSettings.json b/examples/Example.MinimalApi/Properties/launchSettings.json
index dc8153d2..cb647e9d 100644
--- a/examples/Example.MinimalApi/Properties/launchSettings.json
+++ b/examples/Example.MinimalApi/Properties/launchSettings.json
@@ -28,9 +28,7 @@
"applicationUrl": "https://localhost:7140;http://localhost:5146",
"environmentVariables": {
"ASPNETCORE_ENVIRONMENT": "Development",
- "OTEL_RESOURCE_ATTRIBUTES": "service.name=minimal-api-example",
- "OTEL_EXPORTER_OTLP_ENDPOINT": "https://opentelemetry-playground-adbd73.apm.eu-west-1.aws.elastic.cloud:443",
- "OTEL_EXPORTER_OTLP_HEADERS": "Authorization=ApiKey cVY3d3NKTUJXcWZFRWJwb2xURjA6bmNrZ0JiQ29SRWlEdUM1dzVORGYwZw=="
+ "OTEL_RESOURCE_ATTRIBUTES": "service.name=minimal-api-example"
}
},
"IIS Express": {
diff --git a/src/Elastic.OpenTelemetry.AutoInstrumentation/AutoInstrumentationPlugin.cs b/src/Elastic.OpenTelemetry.AutoInstrumentation/AutoInstrumentationPlugin.cs
index d1cca41d..60108062 100644
--- a/src/Elastic.OpenTelemetry.AutoInstrumentation/AutoInstrumentationPlugin.cs
+++ b/src/Elastic.OpenTelemetry.AutoInstrumentation/AutoInstrumentationPlugin.cs
@@ -62,7 +62,7 @@ public TracerProviderBuilder BeforeConfigureTracerProvider(TracerProviderBuilder
///
/// To configure metrics SDK before Auto Instrumentation configured SDK.
- /// ///
+ ///
public MeterProviderBuilder BeforeConfigureMeterProvider(MeterProviderBuilder builder)
{
var logger = _components.Logger;
@@ -71,7 +71,9 @@ public MeterProviderBuilder BeforeConfigureMeterProvider(MeterProviderBuilder bu
{
builder.ConfigureResource(r => r.WithElasticDefaultsCore(_components, null, null));
- builder.ConfigureServices(sc => sc.Configure(OtlpExporterDefaults.OtlpExporterOptions));
+ builder.ConfigureServices(sc => sc
+ .Configure(OtlpExporterDefaults.OtlpExporterOptions)
+ .Configure(o => o.TemporalityPreference = MetricReaderTemporalityPreference.Delta));
logger.LogConfiguredSignalProvider(nameof(Signals.Metrics), nameof(MeterProviderBuilder), "");
diff --git a/src/Elastic.OpenTelemetry/Extensions/MeterProviderBuilderExtensions.cs b/src/Elastic.OpenTelemetry/Extensions/MeterProviderBuilderExtensions.cs
index 19542627..d7ddf257 100644
--- a/src/Elastic.OpenTelemetry/Extensions/MeterProviderBuilderExtensions.cs
+++ b/src/Elastic.OpenTelemetry/Extensions/MeterProviderBuilderExtensions.cs
@@ -159,9 +159,13 @@ static void ConfigureBuilder(MeterProviderBuilder builder, BuilderState builderS
builder.ConfigureResource(r => r.WithElasticDefaults(builderState, services));
+ // When services is not null here, the options will have already been configured by the calling code.
if (services is null)
builder.ConfigureServices(sc => sc.Configure(OtlpExporterDefaults.OtlpExporterOptions));
+ builder.ConfigureServices(sc => sc.Configure(o =>
+ o.TemporalityPreference = MetricReaderTemporalityPreference.Delta));
+
#if NET9_0_OR_GREATER
// On .NET 9, the contrib HTTP instrumentation is no longer required. If the dependency exists,
// it will be registered via the reflection-based assembly scanning.