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resolver_wrapper: early return addChannelzTraceEvent on !channelz.IsOn() #7436

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resolver_wrapper: early return addChannelzTraceEvent on !channelz.IsOn() #7436

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3 changes: 3 additions & 0 deletions resolver_wrapper.go
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Original file line number Diff line number Diff line change
Expand Up @@ -177,6 +177,9 @@ func (ccr *ccResolverWrapper) ParseServiceConfig(scJSON string) *serviceconfig.P
// addChannelzTraceEvent adds a channelz trace event containing the new
// state received from resolver implementations.
func (ccr *ccResolverWrapper) addChannelzTraceEvent(s resolver.State) {
if !channelz.IsOn() {
return
}
var updates []string
var oldSC, newSC *ServiceConfig
var oldOK, newOK bool
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