From 8030e12ba5d1469268514f81f42d6bf91bc3748d Mon Sep 17 00:00:00 2001
From: jiuker <2818723467@qq.com>
Date: Sun, 4 Jun 2023 04:41:51 +0800
Subject: [PATCH] fix: expMovingAvg is too small when startTime is zero
 (#17346)

---
 internal/bucket/bandwidth/measurement.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/internal/bucket/bandwidth/measurement.go b/internal/bucket/bandwidth/measurement.go
index 9f605d1ed..069785e4b 100644
--- a/internal/bucket/bandwidth/measurement.go
+++ b/internal/bucket/bandwidth/measurement.go
@@ -57,6 +57,10 @@ func (m *bucketMeasurement) updateExponentialMovingAverage(endTime time.Time) {
 		m.lock.Unlock()
 	}()
 
+	if m.startTime.IsZero() {
+		return
+	}
+
 	if endTime.Before(m.startTime) {
 		return
 	}