Cluster support in Cloudy Akka being moved into Akka Open Source
Jonas Bonér
I'm working hard now moving the cluster support in Cloudy Akka into
Akka OSS. Will be shipped with Akka 2.0 in the summer. Clustering (or
remoting or distribution if you want to call it that) will be
completely abstracted away into a configuration task. This means that
you can take any Akka application that runs only using local actors
and configure it (from the outside) to be clustered, replicated,
routed etc. Hope to have something running soon for you to give
feedback on.
Here is a list of what it will include.
In Akka 2.0
* Transparent and adaptive load-balancing/routing
* Transparent adaptive cluster rebalancing
* Automatic replication with automatic fail-over upon node crash
* Durable actor mailboxes
* Subscription-based cluster membership service (add/remove nodes on the fly)
* Event Sourcing based on a highly available scalable transaction log
* Highly available centralized configuration service
* Leader election
Post Akka 2.0
* Compute Grid/MapReduce
* Data Grid
* Distributed STM
Cloudy Akka (e.g. the commercial add-on product suite) will consist
solely of operations stuff such as monitoring, management,
provisioning, dashboard, EC2 support etc.
--
Jonas Bonér
Specialist at Large
work: http://scalablesolutions.se
code: http://akka.io
blog: http://jonasboner.com
twtr: @jboner
Derek Wyatt
Cheers,
Derek
Dear Hakkers.
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Jonas Bonér
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Jonas Bonér
> Christmas comes in summer this year! Very nice stuff Jonas - I'm very much looking forward to seeing 2.0.
>
Thanks Derek. I'll dig up my Santa Claus outfit for the release :-)
Irmo Manie
Francisco de Freitas
> ...
Khaled Essghaier
Brian Troutwine
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Brian L. Troutwine
Peter Veentjer
but can the life cycle of the actor be monitored from within the actor? E.g. if there is an actor that needs to rematerialize on some node, and if that actor needs some dependencies:
- how does it know it should ask for dependencies? Is there some kind of init/destroy method that can be listened to?
- how does the actor get access to the 'root' of the dependencies so it can find the ones it wants. Dependencies could be stored in some kind of static object, but that doesn't deserve the beauty price.
Trevor Bernard
Can't wait for the release. GG gentlemen
On Mon, May 2, 2011 at 10:03 AM, Jim Powers <j...@casapowers.com> wrote:
> Fantastic news!
>
> --
> Jim Powers
Jim Powers
Martin Krasser
Will make Akka even more attractive. Great news!
Cheers,
Martin
Oleg Galako
rossputin
wait. Looks like I have a massive amount to catch up on since 1.0 :-)
-- Ross
Scott Clasen
Raymond Roestenburg
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Raymond Roestenburg
Mats Henricson
Mats
Odd Möller
This is excellent news!
Keeping the operational stuff commercial while opensourcing the clustering/distribution stuff strikes just the right balance IMO. Well decided!
//Odd
Jonas Bonér
> Very exciting list of features! Wish I had a project where I needed this...
Didn't you? Remember you talking about something cool some time ago...
Jonas Bonér
>
> This is excellent news!
>
> Keeping the operational stuff commercial while opensourcing the clustering/distribution stuff strikes just the right balance IMO. Well decided!
We think so too. Thanks. Glad you agree.
Paul Pacheco
Kahli Burke
actors and JMS for durable messages. I'm trying to keep the routing
totally external to the actors so that these types of improvements
could be incorporated. The thought of being able to potentially
replace JMS and use a clustered and replicated set of nodes and
externally applied message routing sounds great. What I have so far is
pretty good but adding JMS to the mix adds complexity and makes the
routing, exception handling, etc. more difficult.
Can't wait to see what's coming in a few months.
Kahli
Jonas Bonér
> Perhaps a stupid question,
>
> but can the life cycle of the actor be monitored from within the actor? E.g.
> if there is an actor that needs to rematerialize on some node, and if that
> actor needs some dependencies:
> - how does it know it should ask for dependencies? Is there some kind of
> init/destroy method that can be listened to?
preStart/postStop/preRestart/postRestart
> - how does the actor get access to the 'root' of the dependencies so it can
> find the ones it wants. Dependencies could be stored in some kind of static
> object, but that doesn't deserve the beauty price.
>
One could hand it from the supervisor.
ngocdaothanh
In the current version of Akka, is there a way for an application to
manually monitor node up and node down events?
Thanks
Jonas Bonér
In the commercial version yes.
>
> Thanks
Nermin
Jonas Bonér
> Jonas, any updates on when Akka 2.0 is going to be released?
Not yet. Don't want to promise anything. We are working hard on it.
But 1.2 (coming out next week) have taken a lot of time as well. But
you can help with trying master branch out and give feedback. Thanks.
>
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Jonas Bonér
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