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-rw-r--r--middleware/metrics/metrics.go2
1 files changed, 1 insertions, 1 deletions
diff --git a/middleware/metrics/metrics.go b/middleware/metrics/metrics.go
index 5c2c37ff8..093f2a7dd 100644
--- a/middleware/metrics/metrics.go
+++ b/middleware/metrics/metrics.go
@@ -103,7 +103,7 @@ func define() {
Name: "response_size_bytes",
Help: "Size of the returns response in bytes.",
Buckets: []float64{0, 100, 200, 300, 400, 511, 1023, 2047, 4095, 8291, 16e3, 32e3, 48e3, 64e3},
- }, []string{"zone"})
+ }, []string{"zone", "proto"})
responseRcode = prometheus.NewCounterVec(prometheus.CounterOpts{
Namespace: middleware.Namespace,