luchunliang commented on code in PR #6334:
URL: https://github.com/apache/inlong/pull/6334#discussion_r1009177480


##########
inlong-dataproxy/dataproxy-source/src/main/java/org/apache/inlong/dataproxy/metrics/prometheus/PrometheusMetricListener.java:
##########
@@ -179,31 +175,33 @@ public void snapshot(String domain, List<MetricItemValue> 
itemValues) {
     public List<MetricFamilySamples> collect() {
 
         // total
-        CounterMetricFamily totalCounter = new CounterMetricFamily(metricName 
+ "&group=total",
+        CounterMetricFamily totalCounter = new CounterMetricFamily(metricName,

Review Comment:
   Is it OK to change metric name?



##########
inlong-dataproxy/dataproxy-source/src/main/java/org/apache/inlong/dataproxy/metrics/prometheus/PrometheusMetricListener.java:
##########
@@ -179,31 +175,33 @@ public void snapshot(String domain, List<MetricItemValue> 
itemValues) {
     public List<MetricFamilySamples> collect() {
 
         // total
-        CounterMetricFamily totalCounter = new CounterMetricFamily(metricName 
+ "&group=total",
+        CounterMetricFamily totalCounter = new CounterMetricFamily(metricName,
                 "The metrics of dataproxy node.",
                 Arrays.asList("dimension"));
         totalCounter.addMetric(Arrays.asList(M_READ_SUCCESS_COUNT), 
metricItem.readSuccessCount.get());
         totalCounter.addMetric(Arrays.asList(M_READ_SUCCESS_SIZE), 
metricItem.readSuccessSize.get());
         totalCounter.addMetric(Arrays.asList(M_READ_FAIL_COUNT), 
metricItem.readFailCount.get());
         totalCounter.addMetric(Arrays.asList(M_READ_FAIL_SIZE), 
metricItem.readFailSize.get());
-        //
+        // send
         totalCounter.addMetric(Arrays.asList(M_SEND_COUNT), 
metricItem.sendCount.get());
         totalCounter.addMetric(Arrays.asList(M_SEND_SIZE), 
metricItem.sendSize.get());
-        //
         totalCounter.addMetric(Arrays.asList(M_SEND_SUCCESS_COUNT), 
metricItem.sendSuccessCount.get());
         totalCounter.addMetric(Arrays.asList(M_SEND_SUCCESS_SIZE), 
metricItem.sendSuccessSize.get());
         totalCounter.addMetric(Arrays.asList(M_SEND_FAIL_COUNT), 
metricItem.sendFailCount.get());
         totalCounter.addMetric(Arrays.asList(M_SEND_FAIL_SIZE), 
metricItem.sendFailSize.get());
-        //
+        // duration
         totalCounter.addMetric(Arrays.asList(M_SINK_DURATION), 
metricItem.sinkDuration.get());
         totalCounter.addMetric(Arrays.asList(M_NODE_DURATION), 
metricItem.nodeDuration.get());
         totalCounter.addMetric(Arrays.asList(M_WHOLE_DURATION), 
metricItem.wholeDuration.get());
         List<MetricFamilySamples> mfs = new ArrayList<>();
         mfs.add(totalCounter);
 
         // id dimension
-        CounterMetricFamily idCounter = new CounterMetricFamily(metricName + 
"&group=id",
-                "The metrics of inlong datastream.", this.dimensionKeys);
+        List<String> dimensionIdKeys = new ArrayList<>();
+        dimensionIdKeys.add(DEFAULT_DIMENSION_LABEL);
+        dimensionIdKeys.addAll(this.dimensionKeys);
+        CounterMetricFamily idCounter = new CounterMetricFamily(metricName + 
"_id",

Review Comment:
   Is it OK to change metric name?



##########
inlong-dataproxy/dataproxy-source/src/main/java/org/apache/inlong/dataproxy/metrics/prometheus/PrometheusMetricListener.java:
##########
@@ -179,31 +175,33 @@ public void snapshot(String domain, List<MetricItemValue> 
itemValues) {
     public List<MetricFamilySamples> collect() {
 
         // total
-        CounterMetricFamily totalCounter = new CounterMetricFamily(metricName 
+ "&group=total",
+        CounterMetricFamily totalCounter = new CounterMetricFamily(metricName,
                 "The metrics of dataproxy node.",
                 Arrays.asList("dimension"));
         totalCounter.addMetric(Arrays.asList(M_READ_SUCCESS_COUNT), 
metricItem.readSuccessCount.get());
         totalCounter.addMetric(Arrays.asList(M_READ_SUCCESS_SIZE), 
metricItem.readSuccessSize.get());
         totalCounter.addMetric(Arrays.asList(M_READ_FAIL_COUNT), 
metricItem.readFailCount.get());
         totalCounter.addMetric(Arrays.asList(M_READ_FAIL_SIZE), 
metricItem.readFailSize.get());
-        //
+        // send
         totalCounter.addMetric(Arrays.asList(M_SEND_COUNT), 
metricItem.sendCount.get());
         totalCounter.addMetric(Arrays.asList(M_SEND_SIZE), 
metricItem.sendSize.get());
-        //
         totalCounter.addMetric(Arrays.asList(M_SEND_SUCCESS_COUNT), 
metricItem.sendSuccessCount.get());
         totalCounter.addMetric(Arrays.asList(M_SEND_SUCCESS_SIZE), 
metricItem.sendSuccessSize.get());
         totalCounter.addMetric(Arrays.asList(M_SEND_FAIL_COUNT), 
metricItem.sendFailCount.get());
         totalCounter.addMetric(Arrays.asList(M_SEND_FAIL_SIZE), 
metricItem.sendFailSize.get());
-        //
+        // duration
         totalCounter.addMetric(Arrays.asList(M_SINK_DURATION), 
metricItem.sinkDuration.get());
         totalCounter.addMetric(Arrays.asList(M_NODE_DURATION), 
metricItem.nodeDuration.get());
         totalCounter.addMetric(Arrays.asList(M_WHOLE_DURATION), 
metricItem.wholeDuration.get());
         List<MetricFamilySamples> mfs = new ArrayList<>();
         mfs.add(totalCounter);
 
         // id dimension
-        CounterMetricFamily idCounter = new CounterMetricFamily(metricName + 
"&group=id",
-                "The metrics of inlong datastream.", this.dimensionKeys);
+        List<String> dimensionIdKeys = new ArrayList<>();
+        dimensionIdKeys.add(DEFAULT_DIMENSION_LABEL);
+        dimensionIdKeys.addAll(this.dimensionKeys);

Review Comment:
   this.dimensionKeys is always empty.



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