🔨 chore(observability-otel): interval of metrics not small enough (#10175)

fix(observability-otel): interval of metrics not small enough

Author: nekomeowww

packages/obervability-otel/src/node.ts

@@ -8,6 +8,7 @@ import { resourceFromAttributes } from '@opentelemetry/resources';
 import { PeriodicExportingMetricReader } from '@opentelemetry/sdk-metrics';
 import { NodeSDK } from '@opentelemetry/sdk-node';
 import { ATTR_SERVICE_NAME, ATTR_SERVICE_VERSION } from '@opentelemetry/semantic-conventions';
+import { env } from 'node:process';
 
 export function register(options?: { debug?: true | DiagLogLevel; version?: string }) {
   const attributes: Record<string, string> = {
@@ -23,13 +24,26 @@ export function register(options?: { debug?: true | DiagLogLevel; version?: stri
     );
   }
 
+  let metricsExporterInterval = 1000;
+  if (env.OTEL_METRICS_EXPORTER_INTERVAL) {
+    const parsed = parseInt(env.OTEL_METRICS_EXPORTER_INTERVAL, 10);
+    if (!isNaN(parsed)) {
+      metricsExporterInterval = parsed;
+    }
+  }
+
   const sdk = new NodeSDK({
     instrumentations: [
       new PgInstrumentation(),
       new HttpInstrumentation(),
       getNodeAutoInstrumentations(),
     ],
-    metricReaders: [new PeriodicExportingMetricReader({ exporter: new OTLPMetricExporter() })],
+    metricReaders: [
+      new PeriodicExportingMetricReader({
+        exportIntervalMillis: metricsExporterInterval,
+        exporter: new OTLPMetricExporter(),
+      }),
+    ],
     resource: resourceFromAttributes(attributes),
     traceExporter: new OTLPTraceExporter(),
   });