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Union and diff for sets are more performant

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This commit is contained in:
Johan Andrén 2020-06-11 15:52:46 +02:00
parent 9c7f16a4db
commit 33b34da36c
3 changed files with 4 additions and 4 deletions
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2
akka-cluster-sharding/src/main/scala/akka/cluster/sharding/Shard.scala
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@ -198,7 +198,7 @@ private[akka] object Shard {
else newState
} else {
if (r.ackTo.isEmpty) this
else RememberingStart(ackTo ++ r.ackTo)
else RememberingStart(ackTo.union(r.ackTo))
}
case _ => throw new IllegalArgumentException(s"Transition from $this to $newState not allowed")
}

2
akka-cluster-sharding/src/main/scala/akka/cluster/sharding/internal/DDataRememberEntitiesShardStore.scala
View file

@ -178,7 +178,7 @@ private[akka] final class DDataRememberEntitiesShardStore(
}
private def onUpdate(update: RememberEntitiesShardStore.Update): Unit = {
val allEvts: Set[Evt] = (update.started.map(Started) ++ update.stopped.map(Stopped))
val allEvts: Set[Evt] = (update.started.map(Started(_): Evt).union(update.stopped.map(Stopped)))
// map from set of evts (for same ddata key) to one update that applies each of them
val ddataUpdates: Map[Set[Evt], (Update[ORSet[EntityId]], Int)] =
allEvts.groupBy(evt => key(evt.id)).map {

4
akka-cluster-sharding/src/main/scala/akka/cluster/sharding/internal/EventSourcedRememberEntitiesShardStore.scala
View file

@ -80,7 +80,7 @@ private[akka] final class EventSourcedRememberEntitiesShardStore(
override def receiveRecover: Receive = {
case EntitiesStarted(ids) => state = state.copy(state.entities.union(ids))
case EntitiesStopped(ids) => state = state.copy(state.entities -- ids)
case EntitiesStopped(ids) => state = state.copy(state.entities.diff(ids))
case SnapshotOffer(_, snapshot: State) => state = snapshot
case RecoveryCompleted =>
log.debug("Recovery completed for shard [{}] with [{}] entities", shardId, state.entities.size)
@ -97,7 +97,7 @@ private[akka] final class EventSourcedRememberEntitiesShardStore(
left -= 1
if (left == 0) {
sender() ! RememberEntitiesShardStore.UpdateDone(started, stopped)
state.copy(state.entities.union(started) -- stopped)
state.copy(state.entities.union(started).diff(stopped))
saveSnapshotWhenNeeded()
}
}