ExternalVendorCode/corda
1
0
Fork 0
mirror of https://github.com/corda/corda.git synced 2025-02-20 17:33:15 +00:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

Add jitter to retries (#3749)

Browse Source 
* Add jitter to retries

* Address comments
This commit is contained in:
Thomas Schroeter 2018-08-07 13:24:22 +01:00 committed by GitHub
parent 6255459ce7
commit dd4923e80e
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
node/src/main/kotlin/net/corda/node/services/statemachine/SingleThreadedStateMachineManager.kt
View File

@ -590,10 +590,11 @@ class SingleThreadedStateMachineManager(
private fun scheduleTimeoutException(flow: Flow, retryCount: Int): ScheduledFuture<*> {
return with(serviceHub.configuration.flowTimeout) {
val timeoutDelaySeconds = timeout.seconds * Math.pow(backoffBase, retryCount.toDouble()).toLong()
val jitteredDelaySeconds = maxOf(1L, timeoutDelaySeconds/2 + (Math.random() * timeoutDelaySeconds/2).toLong())
timeoutScheduler.schedule({
val event = Event.Error(FlowTimeoutException(maxRestartCount))
flow.fiber.scheduleEvent(event)
}, timeoutDelaySeconds, TimeUnit.SECONDS)
}, jitteredDelaySeconds, TimeUnit.SECONDS)
}
}

2
node/src/main/resources/reference.conf
View File

@ -22,6 +22,6 @@ rpcSettings = {
}
flowTimeout {
timeout = 30 seconds
maxRestartCount = 5
maxRestartCount = 6
backoffBase = 1.8
}