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tracing: NumSubscribers() to use atomic instead of mutex (#11219)

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globalSubscribers.NumSubscribers() is heavily used in S3 requests and it
uses mutex, use atomic.Load instead since it is faster

Co-authored-by: Anis Elleuch <anis@min.io>
This commit is contained in:
Anis Elleuch
2021-01-04 18:40:30 +01:00
committed by GitHub
parent dfd99b6d8f
commit 153d4be032
6 changed files with 13 additions and 16 deletions
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2
cmd/consolelogger.go
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@@ -70,7 +70,7 @@ func (sys *HTTPConsoleLoggerSys) SetNodeName(endpointServerPools EndpointServerP
// HasLogListeners returns true if console log listeners are registered
// for this node or peers
func (sys *HTTPConsoleLoggerSys) HasLogListeners() bool {
return sys != nil && sys.pubsub.HasSubscribers()
return sys != nil && sys.pubsub.NumSubscribers() > 0
}
// Subscribe starts console logging for this node.