From 731b59a41f24ae014f86d01dd23957ad5a35b355 Mon Sep 17 00:00:00 2001
From: Alex Auvolat <alex@adnab.me>
Date: Tue, 6 Dec 2022 15:02:35 +0100
Subject: More precise histograms

---
 src/metrics.rs | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/metrics.rs b/src/metrics.rs
index c635269..46b69af 100644
--- a/src/metrics.rs
+++ b/src/metrics.rs
@@ -21,7 +21,16 @@ pub struct MetricsServer {
 
 impl MetricsServer {
 	pub fn init(bind_addr: Option<SocketAddr>) -> MetricsServer {
-		let exporter = opentelemetry_prometheus::exporter().init();
+		let exporter = opentelemetry_prometheus::exporter()
+			.with_default_summary_quantiles(vec![0.25, 0.5, 0.75, 0.9, 0.95, 0.99])
+			.with_default_histogram_boundaries(vec![
+				0.001, 0.0015, 0.002, 0.003, 0.005, 0.007,
+				0.01, 0.015, 0.02, 0.03, 0.05, 0.07,
+				0.1, 0.15, 0.2, 0.3, 0.5, 0.7,
+				1., 1.5, 2., 3., 5., 7.,
+				10., 15., 20., 30., 40., 50., 60., 70., 100.
+			])
+			.init();
 		Self {
 			bind_addr,
 			exporter,
-- 
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