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

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This commit is contained in:
Harshavardhana
2020-12-02 21:03:45 -08:00
parent c22a387695
commit 44e23b7f4f
2 changed files with 12 additions and 5 deletions
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13
cmd/background-heal-ops.go
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@@ -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 {
return tolerance + globalHTTPListen.NumSubscribers() + globalHTTPTrace.NumSubscribers()
maxIOFn := func() int {
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 {