From 9b1f405012869f5c9f80d71952ea0c4497486374 Mon Sep 17 00:00:00 2001
From: Max Inden <mail@max-inden.de>
Date: Wed, 8 Sep 2021 18:44:03 +0200
Subject: [PATCH] misc/metrics/src/kad: Set query_duration lowest bucket to 0.1
 sec (#2219)

Probability for a Kademlia query to return in less than 100 milliseconds
is low, thus increasing the lower bucket to improve accuracy within the
higher ranges.
---
 misc/metrics/src/kad.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/misc/metrics/src/kad.rs b/misc/metrics/src/kad.rs
index 0103db857c7..6b5f5cf2db4 100644
--- a/misc/metrics/src/kad.rs
+++ b/misc/metrics/src/kad.rs
@@ -115,7 +115,7 @@ impl Metrics {
         );
 
         let query_result_duration =
-            Family::new_with_constructor(|| Histogram::new(exponential_buckets(0.001, 2.0, 12)));
+            Family::new_with_constructor(|| Histogram::new(exponential_buckets(0.1, 2.0, 10)));
         sub_registry.register_with_unit(
             "query_result_duration",
             "Duration of a Kademlia query.",