From 8601cbcaf50760223916f68ba0c97ff5a9e24755 Mon Sep 17 00:00:00 2001
From: eric <1048315650@qq.com>
Date: Wed, 31 Jul 2024 15:32:09 +0800
Subject: [PATCH] feat(middleware/metrics): o support middleware histograms,
 you only need to call DefaultSecondsHistogram without registering
 DefaultSecondsHistogramView

---
 middleware/metrics/metrics.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/middleware/metrics/metrics.go b/middleware/metrics/metrics.go
index 4459cdeefb1..eb9d9a19805 100644
--- a/middleware/metrics/metrics.go
+++ b/middleware/metrics/metrics.go
@@ -56,7 +56,11 @@ func DefaultRequestsCounter(meter metric.Meter, histogramName string) (metric.In
 // return metric.Float64Histogram for WithSeconds
 // suggest histogramName = <client/server>_requests_seconds_bucket
 func DefaultSecondsHistogram(meter metric.Meter, histogramName string) (metric.Float64Histogram, error) {
-	return meter.Float64Histogram(histogramName, metric.WithUnit("s"))
+	return meter.Float64Histogram(
+		histogramName,
+		metric.WithUnit("s"),
+		metric.WithExplicitBucketBoundaries(0.005, 0.01, 0.025, 0.05, 0.1, 0.250, 0.5),
+	)
 }
 
 // DefaultSecondsHistogramView