From 04c792476fa80b7f030316f9182f98a8e9b3b3f1 Mon Sep 17 00:00:00 2001
From: drivebyer <yang.wu@daocloud.io>
Date: Sat, 15 Jul 2023 02:02:45 +0800
Subject: [PATCH] fix: provide a possible slice cap for heal failed metrics
 items (#17647)

Signed-off-by: Wu <yang.wu@daocloud.io>
---
 cmd/metrics-v2.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/cmd/metrics-v2.go b/cmd/metrics-v2.go
index 4363b94c2..471b98e75 100644
--- a/cmd/metrics-v2.go
+++ b/cmd/metrics-v2.go
@@ -1664,8 +1664,9 @@ func getMinioHealingMetrics() *MetricsGroup {
 }
 
 func getFailedItems(seq *healSequence) (m []Metric) {
-	m = make([]Metric, 0, 1)
-	for k, v := range seq.gethealFailedItemsMap() {
+	items := seq.gethealFailedItemsMap()
+	m = make([]Metric, 0, len(items))
+	for k, v := range items {
 		s := strings.Split(k, ",")
 		m = append(m, Metric{
 			Description: getHealObjectsFailTotalMD(),