fix #13710: reduce cost of supervisor observability

Co-authored-by: Pudong [email protected]

Author: akosyakov

components/ide-metrics-api/go/config/config.go

@@ -20,11 +20,12 @@ type LabelAllowList struct {
 }
 
 type MetricsServerConfiguration struct {
-	Port             int                             `json:"port"`
-	RateLimits       map[string]grpc.RateLimit       `json:"ratelimits"`
-	CounterMetrics   []CounterMetricsConfiguration   `json:"counterMetrics"`
-	HistogramMetrics []HistogramMetricsConfiguration `json:"histogramMetrics"`
-	ErrorReporting   ErrorReportingConfiguration     `json:"errorReporting"`
+	Port                       int                             `json:"port"`
+	RateLimits                 map[string]grpc.RateLimit       `json:"ratelimits"`
+	CounterMetrics             []CounterMetricsConfiguration   `json:"counterMetrics"`
+	HistogramMetrics           []HistogramMetricsConfiguration `json:"histogramMetrics"`
+	AggregatedHistogramMetrics []HistogramMetricsConfiguration `json:"aggregatedHistogramMetrics"`
+	ErrorReporting             ErrorReportingConfiguration     `json:"errorReporting"`
 }
 
 type CounterMetricsConfiguration struct {

components/ide-metrics-api/go/idemetrics.pb.go

@@ -24,6 +24,12 @@ service MetricsService {
             body : "*"
         };
     }
+    rpc AddHistogram(AddHistogramRequest) returns (AddHistogramResponse) {
+        option (google.api.http) = {
+            post : "/metrics/histogram/add/{name}"
+            body : "*"
+        };
+    }
     rpc reportError(ReportErrorRequest) returns (ReportErrorResponse) {
         option (google.api.http) = {
             post: "/reportError"
@@ -48,6 +54,16 @@ message ObserveHistogramRequest {
 
 message ObserveHistogramResponse {}
 
+message AddHistogramRequest {
+    string name = 1;
+    map<string, string> labels = 2;
+    uint64 count = 3;
+    double sum = 4;
+    repeated uint64 buckets = 5;
+}
+
+message AddHistogramResponse {}
+
 message ReportErrorRequest {
     string error_stack = 1;
     string component = 2;