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enable ChannelTaskScheduler to work inside Akka.Cluster without causing errors inside /system actors #5861

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merged 12 commits into from May 5, 2022
Merged

enable ChannelTaskScheduler to work inside Akka.Cluster without causing errors inside /system actors #5861

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7b2fe34
close #5498
Aaronontheweb Apr 21, 2022
f4e5e11
fix `HeartbeatSender`
Aaronontheweb Apr 21, 2022
66ddd88
cleaned up SBR internals (style)
Aaronontheweb Apr 21, 2022
70f7248
cleaned up some comments
Aaronontheweb Apr 21, 2022
5c648eb
Merge branch 'v1.4' into fix-channel-executor-startup
Aaronontheweb Apr 21, 2022
26d12af
asynchronously attempt to acquire `Cluster` inside SBR
Aaronontheweb Apr 21, 2022
3745a51
Merge branch 'fix-channel-executor-startup' of https://github.com/Aar…
Aaronontheweb Apr 21, 2022
1002e2b
fixed SBR compilation
Aaronontheweb Apr 21, 2022
5966640
Update SplitBrainResolver.cs
Aaronontheweb Apr 21, 2022
d6195aa
Merge branch 'v1.4' into fix-channel-executor-startup
Aaronontheweb Apr 22, 2022
cffd195
Merge branch 'v1.4' into fix-channel-executor-startup
Aaronontheweb May 5, 2022
08a7b5c
subscribe on PreStart
Aaronontheweb May 5, 2022
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2 changes: 1 addition & 1 deletion src/core/Akka.Cluster/ClusterDaemon.cs
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Expand Up @@ -895,7 +895,7 @@ private void CreateChildren(Cluster cluster)
_cluster = cluster;
_coreSupervisor = Context.ActorOf(Props.Create<ClusterCoreSupervisor>(), "core");

Context.ActorOf(ClusterHeartbeatReceiver.Props(() => _cluster), "heartbeatReceiver");
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Avoid creating a delegate for the Lazy<Cluster> that we're removing from the HeartbeatReceiver

Context.ActorOf(ClusterHeartbeatReceiver.Props(cluster), "heartbeatReceiver");
}

protected override void PostStop()
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14 changes: 7 additions & 7 deletions src/core/Akka.Cluster/ClusterHeartbeat.cs
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Expand Up @@ -26,16 +26,16 @@ internal sealed class ClusterHeartbeatReceiver : UntypedActor
{
// Important - don't use Cluster.Get(Context.System) in constructor because that would
// cause deadlock. See startup sequence in ClusterDaemon.
private readonly Lazy<Cluster> _cluster;
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No real reason for a Lazy<Cluster> here since we're already receiving an instance in this actor's constructor at the time it's created.

private readonly Cluster _cluster;

public bool VerboseHeartbeat => _cluster.Value.Settings.VerboseHeartbeatLogging;
public bool VerboseHeartbeat => _cluster.Settings.VerboseHeartbeatLogging;

/// <summary>
/// TBD
/// </summary>
public ClusterHeartbeatReceiver(Func<Cluster> getCluster)
public ClusterHeartbeatReceiver(Cluster cluster)
{
_cluster = new Lazy<Cluster>(getCluster);
_cluster = cluster;
}

protected override void OnReceive(object message)
Expand All @@ -44,8 +44,8 @@ protected override void OnReceive(object message)
{
case ClusterHeartbeatSender.Heartbeat hb:
// TODO log the sequence nr once serializer is enabled
if(VerboseHeartbeat) _cluster.Value.CurrentInfoLogger.LogDebug("Heartbeat from [{0}]", hb.From);
Sender.Tell(new ClusterHeartbeatSender.HeartbeatRsp(_cluster.Value.SelfUniqueAddress,
if(VerboseHeartbeat) _cluster.CurrentInfoLogger.LogDebug("Heartbeat from [{0}]", hb.From);
Sender.Tell(new ClusterHeartbeatSender.HeartbeatRsp(_cluster.SelfUniqueAddress,
hb.SequenceNr, hb.CreationTimeNanos));
break;
default:
Expand All @@ -54,7 +54,7 @@ protected override void OnReceive(object message)
}
}

public static Props Props(Func<Cluster> getCluster)
public static Props Props(Cluster getCluster)
{
return Akka.Actor.Props.Create(() => new ClusterHeartbeatReceiver(getCluster));
}
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