🎨 remove histogram with many buckets (#7706)

Author: bisgaard-itis

packages/service-library/src/servicelib/prometheus_metrics.py

@@ -40,7 +40,6 @@ class PrometheusMetrics:
     request_count: Counter
     in_flight_requests: Gauge
     response_latency_with_labels: Histogram
-    response_latency_detailed_buckets: Histogram
 
 
 def _get_exemplar() -> dict[str, str] | None:
@@ -87,14 +86,7 @@ def get_prometheus_metrics() -> PrometheusMetrics:
         documentation="Time processing a request with detailed labels",
         labelnames=["method", "endpoint", "simcore_user_agent"],
         registry=registry,
-        buckets=(0.1, 0.5, 1),
-    )
-
-    response_latency_detailed_buckets = Histogram(
-        name="http_request_latency_seconds_detailed_buckets",
-        documentation="Time processing a request with detailed buckets but no labels",
-        registry=registry,
-        buckets=(0.005, 0.01, 0.025, 0.05, 0.1, 0.25, 0.5, 1, 2, 5, 10),
+        buckets=(0.1, 1, 5, 10),
     )
 
     return PrometheusMetrics(
@@ -105,7 +97,6 @@ def get_prometheus_metrics() -> PrometheusMetrics:
         request_count=request_count,
         in_flight_requests=in_flight_requests,
         response_latency_with_labels=response_latency_with_labels,
-        response_latency_detailed_buckets=response_latency_detailed_buckets,
     )
 
 
@@ -150,6 +141,3 @@ def record_response_metrics(
     metrics.response_latency_with_labels.labels(method, endpoint, user_agent).observe(
         amount=response_latency_seconds, exemplar=exemplar
     )
-    metrics.response_latency_detailed_buckets.observe(
-        amount=response_latency_seconds, exemplar=exemplar
-    )