akkadotnet/akka.net

Port of Akka actors for .NET

Weston

@ronnyek

the client is attempting to write as fast as it can

Arjen Smits

@Danthar

thats seems... wrong. I know for a fact some people have reached way higher numbers with older versions of akka.io.

We have a ping pong benchmark somewhere that uses akka.io

hang on while i look it up

Weston

@ronnyek

well let me backup

I'm not trying to talk between akka.net io and akka.io

I'm just trying to handle raw tcp connections

if thats not what you thought

Arjen Smits

@Danthar

should not be an issue though

Weston

@ronnyek

yeah Iwouldnt think it was

but if it seems like I got the wrong idea about all this

eg, akka wouldnt be a good fit here or whatever

I thought akka would be awesome for all the reactive stream processing as well as the backpressure stuff

Arjen Smits

@Danthar

Akka.streams certainly is

@Silv3rcircl3 we don't have an integration for akka.io yet do we ?

Alex Valuyskiy

@alexvaluyskiy

Not yet

waiting for akkadotnet/akka.net#2405

Weston

@ronnyek

io is high performance network transports and things like http endpoints and what not?

webeoutrascoisas

@webeoutrascoisas

Hi!

There's a way to test if my ActorSelection received a message? Something like ActorSelectionProbe?

Chris G. Stevens

@cgstevens

@webeoutrascoisas I am returning a ACK in cases where I need to guarantee delivery.

Nick Chamberlain

@heynickc

@webeoutrascoisas are you able to create a TestProbe at that specific path? That test probe could then forward, if needed.

webeoutrascoisas

@webeoutrascoisas

i'll try it @heynickc

webeoutrascoisas

@webeoutrascoisas

TestProbe ExpectMsg still not working

I'm passing Ref.Path to Context.ActorSelection

Jeff Pang

@jeff-pang

can someone point me in the right direction on how to get Akka on .net core? The information i got from google all seems to be dated. those I found uses project.json

webeoutrascoisas

@webeoutrascoisas

@jeff-pang there's no .net core version yet

Jeff Pang

@jeff-pang

@webeoutrascoisas thanks. I understand that officially not from nuget but based on some article you are able to get an "unofficial" version to work since 1.2.0-alpha1 ? Or am I mistaken?

I read it from here https://medium.com/@FurryMogwai/building-a-basket-micro-service-using-asp-net-core-and-akka-net-ea2a32ca59d5

Marc Piechura

@marcpiechura

@webeoutrascoisas @jeff-pang it's available via myget , link is somewhere in #2153

Jeff Pang

@jeff-pang

@Silv3rcircl3 awesome! Thanks!

Deniz İrgin

@Blind-Striker

@Silv3rcircl3 i couldnt find akka core library in myget. So i download @alexvaluyskiy https://github.com/alexvaluyskiy/akka.net/tree/coreclr_final branch and compile it myself for todays meetup. Because of Google.ProtocolBuffers library i couldnt compile cluster and remote to .net core but Akka.Core local actor system can work on .net core.

I made an example repo ;

https://github.com/CodeFiction/AkkaDotNetCoreDemo

Deniz İrgin

@Blind-Striker

I think I convinced most of the developers who participated in today's meeting to use Akka.Net :)

Sean Gilliam

@sean-gilliam

nice :+1:

Jeff Pang

@jeff-pang

@Blind-Striker Yeah, same, I can't find akka core in myget. Thanks for the branch. I'll do my own compilation too

Nick Chamberlain

@heynickc

@webeoutrascoisas so are you having issues using ActorSelection to get to the TestProbe? Here's what I was thinking:

[Fact]
public void Should_probe_replace_actor_selection_and_forward()
{
    var testProbe = CreateTestProbe("FindMeWithSelectionProbe");
    var actor = Sys.ActorOf(Props.Create(() => new FindMeWithSelectionActor()), "FindMeWithSelection");
    var selection = Sys.ActorSelection(testProbe.Ref.Path);
    selection.Tell("Hi!");
    testProbe.ExpectMsg("Hi!");
    testProbe.Forward(actor);
}

Franky Ostyn

@FOstyn

Hi all,
a NLog question: with NLog is it possible to define 2 or more different logfiles.
<rules>
<logger name="AkkaLog" minlevel="Debug" writeTo="logfile1" />
<logger name="myLogFile" minlevel="Debug" writeTo="logfile2" />
</rules>

Using the same config file for Akka doesn't work, nothing is logged from Akka, I think Akka expects the name = "" like:
<rules>
<logger name="" minlevel="Debug" writeTo="logfile1" />
</rules>

Is it possible to define in HOCON the name of the logfile for Akka ?

Great, the "" must be "*"

Jose Carlos Marquez

@oeaoaueaa

Is there any limit in the amount of nodes a cluster can have? when I deploy my services there is only one being left out, permanently joining (we have 21 nodes in the test environment)

Aaron Stannard

@Aaronontheweb

@oeaoaueaa no limit that I know of

Jose Carlos Marquez

@oeaoaueaa

ok, any logging line or configuration I should look at?

Aaron Stannard

@Aaronontheweb

just sent you a private message asking for some logs from the affected node

that would be super helpful if you could send those my way

Bartosz Sypytkowski

@Horusiath

@oeaoaueaa lower bound doesn't exists, however it's always better to have 2-3 nodes just in case. Upper bound: hard to tell, I guess no one tested this on .NET platform. On JVM they reached 2400 node cluster, but that test was couple years ago and probably now they can do better

Jose Carlos Marquez

@oeaoaueaa

21 should be nothing then, I was thinking that it could be something related to configuration because there are two services in the same machine that is always the last to be deployed and is one of those two that gets stuck joining

Bartosz Sypytkowski

@Horusiath

there may be many reasons, starting from configuration ending on the content of dlls and how many nodes at once you're trying to join

do you get any error messages?

i.e. by default no downing provider is configured so you may want to configure akka.cluster.auto-down-unreachable-after = <X>sec to be able to mark stale unreachable nodes to be marked as dead

Jose Carlos Marquez

@oeaoaueaa

no errors or warns

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