From d13ae5f336d3efe3d3470cacedb74c38f48ad5db Mon Sep 17 00:00:00 2001
From: dragondriver <jiquan.long@zilliz.com>
Date: Sun, 3 Oct 2021 10:34:18 +0800
Subject: [PATCH] [skip ci] Add desc comments for NewMetricsCacheManager
 (#9128)

Signed-off-by: dragondriver <jiquan.long@zilliz.com>
---
 internal/util/metricsinfo/cache.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/internal/util/metricsinfo/cache.go b/internal/util/metricsinfo/cache.go
index b34c4e38b6..f11407d7b7 100644
--- a/internal/util/metricsinfo/cache.go
+++ b/internal/util/metricsinfo/cache.go
@@ -33,6 +33,7 @@ type MetricsCacheManager struct {
 	retentionMtx sync.RWMutex // necessary?
 }
 
+// NewMetricsCacheManager returns a cache manager of metrics information.
 func NewMetricsCacheManager() *MetricsCacheManager {
 	manager := &MetricsCacheManager{
 		systemInfoMetrics:                nil,