fix: startup being slow - wait only if IOCount > 0

cmd/admin-heal-ops.go

@@ -676,7 +676,9 @@ func (h *healSequence) queueHealTask(source healSource, healType madmin.HealItem
 	}
 
 	// Wait and proceed if there are active requests
-	waitForLowHTTPReq(opts.IOCount, opts.Sleep)
+	if opts.IOCount > 0 {
+		waitForLowHTTPReq(opts.IOCount, opts.Sleep)
+	}
 
 	h.mutex.Lock()
 	h.scannedItemsMap[healType]++

cmd/background-heal-ops.go

@@ -54,20 +54,25 @@ func (h *healRoutine) queueHealTask(task healTask) {
 	h.tasks <- task
 }
 
-func waitForLowHTTPReq(tolerance int, maxWait time.Duration) {
+func waitForLowHTTPReq(maxIO int, maxWait time.Duration) {
+	// No need to wait run at full speed.
+	if maxIO <= 0 {
+		return
+	}
+
 	// At max 10 attempts to wait with 100 millisecond interval before proceeding
 	waitCount := 10
 	waitTick := 100 * time.Millisecond
 
 	// Bucket notification and http trace are not costly, it is okay to ignore them
 	// while counting the number of concurrent connections
-	toleranceFn := func() int {
+	maxIOFn := func() int {
-		return tolerance + globalHTTPListen.NumSubscribers() + globalHTTPTrace.NumSubscribers()
+		return maxIO + globalHTTPListen.NumSubscribers() + globalHTTPTrace.NumSubscribers()
 	}
 
 	if httpServer := newHTTPServerFn(); httpServer != nil {
 		// Any requests in progress, delay the heal.
-		for httpServer.GetRequestCount() >= toleranceFn() {
+		for httpServer.GetRequestCount() >= maxIOFn() {
 			time.Sleep(waitTick)
 			waitCount--
 			if waitCount == 0 {