[Prometheus] Clarify propagation delay description in docs (#96)

gregfurman · web-flow · commit 9519b7b9f743 · 2025-04-24T14:28:04.000+02:00
diff --git a/prometheus/docs/localstack_metrics.md b/prometheus/docs/localstack_metrics.md
@@ -64,7 +64,7 @@
 
 `localstack_event_propagation_delay_seconds`
 
-- **Description:** End-to-end latency between event creation and processing
+- **Description:** End-to-end latency between event creation (at source) until just before being sent to a target for processing.
 - **Labels:** `event_source`, `event_target`
 - **Type:** histogram
 
diff --git a/prometheus/localstack_prometheus/metrics/event_processing.py b/prometheus/localstack_prometheus/metrics/event_processing.py
@@ -23,7 +23,7 @@
 # Performance and latency metrics
 LOCALSTACK_EVENT_PROPAGATION_DELAY_SECONDS = Histogram(
     "localstack_event_propagation_delay_seconds",
-    "End-to-end latency between event creation and processing",
+    "End-to-end latency between event creation (at source) until just before being sent to a target for processing.",
     ["event_source", "event_target"],
     buckets=[0.005, 0.05, 0.5, 5, 30, 60, 300, 900, 3600],
 )

Original file line number	Diff line number	Diff line change
`@@ -23,7 +23,7 @@`
`23`	`23`	`# Performance and latency metrics`
`24`	`24`	`LOCALSTACK_EVENT_PROPAGATION_DELAY_SECONDS = Histogram(`
`25`	`25`	`"localstack_event_propagation_delay_seconds",`
`26`		`- "End-to-end latency between event creation and processing",`
	`26`	`+ "End-to-end latency between event creation (at source) until just before being sent to a target for processing.",`
`27`	`27`	`["event_source", "event_target"],`
`28`	`28`	`buckets=[0.005, 0.05, 0.5, 5, 30, 60, 300, 900, 3600],`
`29`	`29`	`)`