[skip ci] Add desc comments for NewMetricsCacheManager (#9128)

Signed-off-by: dragondriver <jiquan.long@zilliz.com>
2021-10-03 10:34:18 +08:00 · 2021-10-03 10:34:18 +08:00 · d13ae5f336
parent c30c5d759d
commit d13ae5f336
1 changed files with 1 additions and 0 deletions
--- 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,