apoorvmittal10 commented on code in PR #17578:
URL: https://github.com/apache/kafka/pull/17578#discussion_r1810990883


##########
clients/src/main/java/org/apache/kafka/common/telemetry/internals/ClientTelemetryReporter.java:
##########
@@ -707,7 +708,8 @@ private Optional<Builder<?>> 
createPushRequest(ClientTelemetrySubscription local
             try (MetricsEmitter emitter = new 
ClientTelemetryEmitter(localSubscription.selector(), 
localSubscription.deltaTemporality())) {
                 emitter.init();
                 kafkaMetricsCollector.collect(emitter);
-                payload = createPayload(emitter.emittedMetrics());
+                MetricsData payloadMetricsData = 
createPayload(emitter.emittedMetrics());
+                payload = compressPayload(payloadMetricsData);

Review Comment:
   Checked code of CodedOutputStream, it does following. I would love to learn 
more about what we are saving.
   
   ```
     static int computePreferredBufferSize(int dataLength) {
       return dataLength > 4096 ? 4096 : dataLength;
     }



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