Artery and IPC

[Christopher Hunt]

Hi there

I’m thinking of using Akka cluster in a single machine style scenario (low powered router), so that I can use distributed pub/sub across processes in particular. I see that Aeron supports IPC as a transport, but Akka’s Artery doesn’t appear to be able to utilise it - I could be misreading the reference config though.

Has any consideration been given to supporting the other non-UDP Aeron transports within Akka Artery?

Cheers
C

[Patrik Nordwall]

Hi Christopher,

Aeron IPC is currently not supported, but I found it interesting to see if it works so I tried it. Had to change a few small things. Of course I was curious about the performance. No difference for small messages (100 bytes), but for 10kB messages it has higher throughput 1100 MB/s with ipc vs 320 MB/s with upd on my laptop. This is with actor messages (MaxThroughputSpec), not raw Aeron.

I would have to verify more before promising that we will support it.

Cheers,

Patrik

C

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Patrik Nordwall
Akka Tech Lead
Lightbend -  Reactive apps on the JVM
Twitter: @patriknw

[Christopher Hunt]

Thanks Patrik. 

I imagine that most savings will come in the area of establishing a connection as this is completely bypassed with IPC of course. 

As an aside, perhaps a functional advantage to supporting IPC is security though as you can leverage OS permissions. 

Cheers 

C

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