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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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2
cmd/admin-heal-ops.go
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@ -676,7 +676,9 @@ func (h *healSequence) queueHealTask(source healSource, healType madmin.HealItem
} }
// Wait and proceed if there are active requests // Wait and proceed if there are active requests
if opts.IOCount > 0 {
waitForLowHTTPReq(opts.IOCount, opts.Sleep) waitForLowHTTPReq(opts.IOCount, opts.Sleep)
}
h.mutex.Lock() h.mutex.Lock()
h.scannedItemsMap[healType]++ h.scannedItemsMap[healType]++

13
cmd/background-heal-ops.go
View File

@ -54,20 +54,25 @@ func (h *healRoutine) queueHealTask(task healTask) {
h.tasks <- task 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 // At max 10 attempts to wait with 100 millisecond interval before proceeding
waitCount := 10 waitCount := 10
waitTick := 100 * time.Millisecond waitTick := 100 * time.Millisecond
// Bucket notification and http trace are not costly, it is okay to ignore them // Bucket notification and http trace are not costly, it is okay to ignore them
// while counting the number of concurrent connections // 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 { if httpServer := newHTTPServerFn(); httpServer != nil {
// Any requests in progress, delay the heal. // Any requests in progress, delay the heal.
for httpServer.GetRequestCount() >= toleranceFn() { for httpServer.GetRequestCount() >= maxIOFn() {
time.Sleep(waitTick) time.Sleep(waitTick)
waitCount-- waitCount--
if waitCount == 0 { if waitCount == 0 {