From a839860c2ea9a0bbce39a43e9849daef698025ee Mon Sep 17 00:00:00 2001
From: Anastasia Lubennikova <anastasia@neon.tech>
Date: Tue, 14 Feb 2023 16:49:42 +0200
Subject: [PATCH] Add debug messages around sending cached metrics

---
 pageserver/src/consumption_metrics.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/pageserver/src/consumption_metrics.rs b/pageserver/src/consumption_metrics.rs
index e4b7b6d809..b078782a86 100644
--- a/pageserver/src/consumption_metrics.rs
+++ b/pageserver/src/consumption_metrics.rs
@@ -242,6 +242,18 @@ pub async fn collect_metrics_iteration(
             Some(val) => val != curr_val,
             None => true,
         });
+
+        info!(
+            "sending only changed metrics, {} values at {}",
+            current_metrics.len(),
+            Utc::now()
+        );
+    } else {
+        info!(
+            "sending all metrics, including cached ones. {} values at {}",
+            current_metrics.len(),
+            Utc::now()
+        );
     }
 
     if current_metrics.is_empty() {