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!per #3729 Journaling protocol optimization

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- internal batching of individually received Persistent messages
- testing fault tolerance of Processor in presence of random
  * journaling failures
  * processing failures
This commit is contained in:
Martin Krasser 2013-11-20 13:47:42 +01:00
parent 5af6d0711a
commit 6e2f80bab0
39 changed files with 563 additions and 364 deletions
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34
akka-docs/rst/scala/code/docs/persistence/PersistenceDocSpec.scala
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@ -18,15 +18,12 @@ trait PersistenceDocSpec {
class MyProcessor extends Processor {
def receive = {
case Persistent(payload, sequenceNr) ⇒ {
// message successfully written to journal
}
case PersistenceFailure(payload, sequenceNr, cause) ⇒ {
// message failed to be written to journal
}
case other ⇒ {
// message not written to journal
}
case Persistent(payload, sequenceNr) ⇒
// message successfully written to journal
case PersistenceFailure(payload, sequenceNr, cause) ⇒
// message failed to be written to journal
case other ⇒
// message not written to journal
}
}
//#definition
@ -109,18 +106,16 @@ trait PersistenceDocSpec {
val channel = context.actorOf(Channel.props(), name = "myChannel")
def receive = {
case p @ Persistent(payload, _) ⇒ {
case p @ Persistent(payload, _) ⇒
channel ! Deliver(p.withPayload(s"processed ${payload}"), destination)
}
}
}
class MyDestination extends Actor {
def receive = {
case p @ ConfirmablePersistent(payload, _) ⇒ {
case p @ ConfirmablePersistent(payload, _) ⇒
println(s"received ${payload}")
p.confirm()
}
}
}
//#channel-example
@ -135,7 +130,7 @@ trait PersistenceDocSpec {
//#channel-id-override
def receive = {
case p @ Persistent(payload, _) ⇒ {
case p @ Persistent(payload, _) ⇒
//#channel-example-reply
channel ! Deliver(p.withPayload(s"processed ${payload}"), sender)
//#channel-example-reply
@ -144,8 +139,7 @@ trait PersistenceDocSpec {
//#resolve-destination
//#resolve-sender
channel forward Deliver(p, destination, Resolve.Sender)
//#resolve-sender
}
//#resolve-sender
}
}
@ -175,15 +169,13 @@ trait PersistenceDocSpec {
startWith("closed", 0)
when("closed") {
case Event(Persistent("open", _), counter) ⇒ {
case Event(Persistent("open", _), counter) ⇒
goto("open") using (counter + 1) replying (counter)
}
}
when("open") {
case Event(Persistent("close", _), counter) ⇒ {
case Event(Persistent("close", _), counter) ⇒
goto("closed") using (counter + 1) replying (counter)
}
}
}
//#fsm-example
@ -239,7 +231,7 @@ trait PersistenceDocSpec {
val system = ActorSystem("example")
val processor = system.actorOf(Props[MyProcessor])
processor ! PersistentBatch(Vector(Persistent("a"), Persistent("b")))
processor ! PersistentBatch(List(Persistent("a"), Persistent("b")))
//#batch-write
system.shutdown()
}