From 0f444cd38e4c7074991270106c270f731bafddb8 Mon Sep 17 00:00:00 2001
From: Yaroslav Dobzhanskij <merlyn.tgz@gmail.com>
Date: Sat, 21 Aug 2021 21:01:59 +0300
Subject: [PATCH] Reset internal histogram of monitorEventLoopDelay after each
 collect() invocation

---
 lib/metrics/eventLoopLag.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/metrics/eventLoopLag.js b/lib/metrics/eventLoopLag.js
index 96961fbb..45d5c33d 100644
--- a/lib/metrics/eventLoopLag.js
+++ b/lib/metrics/eventLoopLag.js
@@ -60,6 +60,8 @@ module.exports = (registry, config = {}) => {
 			lagP50.set(labels, histogram.percentile(50) / 1e9);
 			lagP90.set(labels, histogram.percentile(90) / 1e9);
 			lagP99.set(labels, histogram.percentile(99) / 1e9);
+
+			histogram.reset();
 		};
 	}