ANNOUNCE: Akka 2.0-RC2 (is she golden or what?!)

[√iktor Ҡlang]

Ladies and gentlemen,

We, the Akka committers, are proud to announce the availability of Akka 2.0 RELEASE CANDIDATE 2 — the next generation of Akka!

Building on the experiences from the Akka 1 series, we take Akka to the next level — resilience by default, scale up and out by configuration, extensibility by design and with a smaller footprint.

Highlights of Akka 2.0 RELEASE CANDIDATE 2:

* 33 tickets closed in 7 days (131 files changed, 2691 insertions(+), 1617 deletions(-))

* Docs

   - Akka now has 357 pages of documentation (vs. 350 in RC1) Available both as html and as pdf.

   - RemoteRouterConfig

   - Remote Lifecycle Events

   - A lot of minor edits and new sections that didn't make it into RC1

* Config

   - Updated to latest version of HOCON (fixes some issues with Serialization)

* ForkJoin

   - Updated to latest version from jsr166y

* Mailboxes

   - Separation between Mailbox and MessageQueue,

     making it possible to use essentially any MailboxType with BalancingDispatcher

   - Opening up PriortyBased mailboxes to users

* Remote

   - Changed the point of reporting some of the LifeCycleEvents to be able to provide more info

   - Add possibility to configure on which local interface outbound connections should be bound to

* TypedActor

   - Remote TypedActors can now use JavaSerialization properly

* Misc

   - Await now requires handling of checked Exceptions (sorry Java, but you started it)

   - ExecutionContext/ExecutionContexts now return composite types with both ExecutionContext and Executor(Service) for convenience

   - ActorSystem.isTerminated added

   - Removed superfluous logging from DurableMailboxes

   - Misc Bugfixes (see changelog for full list) 

Highlights of Akka 2.0 RELEASE CANDIDATE 1:

* 26 tickets closed in 8 days (190 files changed, 3765 insertions(+), 2041 deletions(-))

 * Docs

   – Akka now has 350 pages of documentation (vs. 337 in M4) Available both as html and as pdf.

   – Http documentation updated

   – Java documentation for 0MQ module

   – JMM docs regarding Akka Futures

   – Minor edits overall

 * Routing

   – Erronous resize resolved in Resizers

 * Dispatchers

   – BalancingDispatcher now has a config option for "attempt-teamwork"

   – BalancingDispatcher race condition resolved

 * Futures

   – Future.blocking() now has a Java API in Futures.blocking()

   – Future.blocking() now doesn't require an ExecutionContext

 * Config

   – Updated to latest HOCON version (configs are now Serializable)

   – Added setting for shutting down the JVM on fatal problems (jvm-exit-on-fatal-error)

   – Serializer config has changed to be more convenient for the best–effort search

Highlights of Akka 2.0 Milestone 4:

 * 57 tickets closed in 13 days. (447 files changed, 20231 insertions(+), 15202 deletions(-))

 * Docs 

  – Akka now has 337 pages of documentation (vs. 305 in M3) Available both as html and as pdf.

 * Actor

   – Default dispatcher based on new ForkJoinPool destined for Java8, extremely better scalability.

   – ActorPath.fromString — easier creating of ActorPaths

   – Remove FSM Ev()

 * Futures

   – Brand new Java API supporting all operations on Future

   – Future.recoverWith — the "flatMap" of "recover"

   – Future.fallbackTo — the harmonized name of what was previously or/orElse

   – Promise.complete — now throws an IllegalStateException if already completed, use tryComplete for conditional complete

   – Future.andThen — makes it possible to create ordered asynchronous side effects

   – All callbacks are now friendlier to the type inferencer

 * Remote

   – Read timeout tracking now supports read timeouts, write timeouts and both, and can be turned off completely

   – No need to configure nodename anymore

 * Serialization

   – Serialization now supports best–effort lookup of suitable Serializer, see docs for more info

 * Misc

   – Better Android compatibility

   – Lots of minor bugfixes

   – Lots of small performance improvements

   – Reworked class loading strategy to be more unified

Highlights of Akka 2.0 Milestone 3:

 * Almost 90(!) tickets closed in 3 weeks. (505 files changed, 13617 insertions(+), 8636 deletions(-))

 * Docs – Akka now has 305 pages of documentation (vs. 254 in M2) Available both as html and as pdf.

 * Patterns

   – "Ask/?" being moved out to a Pattern" — for Scala add 'import akka.pattern.ask' (which will provide suitable implicit conversions to support nearly the same methods, check with 'import akka.migration.ask' first for deprecations; and for Java use akka.pattern.Patterns.ask().

   – gracefulStop

   – pipeTo

 * Actor

   – Removed timeout from Props

   – Removed FaultHandler from Props

   – Renamed FaultHandler to SupervisorStrategy to be more clear

   – Improved SupervisorStrategy creation and parametrization

* ActorSystem

  – ActorSystemImpl renamed to ExtendedActorSystem for Extensions

  – Now has awaitTermination

  – Can now be configured to only create threads that are daemons

 * TypedActor

   – TypedActorProps that is used with typedActorOf, instead of overloading

   – Possibility to proxy any ActorRef (think Remote etc)

 

 * Futures

   – "orElse" is replaced with "or"

   – "zip" has been added

   – Reduced memory footprint per Future

 * Remote

   – Support for starting up Akka on a randomly chosen port

   – Lots of optimizations

 * Akka STM

   – Now uses ScalaSTM instead of Multiverse directly

 * IOActor

   – Many improvements for 2.0

 * Routers

   – Custom Routers (create your own!)

   – Remote Routers, any Router can now be remote

   – Resizers, replaces the old Actor Pool API, add Resizer to Router to get Actor Pool functionality

   – Resizers, configure them in config file

   – Resizers, also usable from Java, so now there's a Java API for "Actor Pools"

 * ømq

   – This module is now ported from Akka 1.3 for Scala

 * Akka FSM

   – There is now documentation on how to use Akka FSM from Java!

 * Migration

   – We now have a draft of a migration package that will help you from 1.x to 2.0, try it out and give us feedback

And much, much more!

Highlights of Akka 2.0 Milestone 2:

* 70 closed tickets since M1

* More documentation, 254 pages vs 216 for M1

  – Serialization API

  – EventBus API

  – Agents

  – Dead Letters

  – General docs improvements

* More samples (Remoting etc)

* Remoting

  – Remote Death Watch

  – Improved logging

  – Improved performance

  – More configuration options

* Routers

  – Load from config

  – BroadcastRouter

* Decoupled Futures from Dispatchers, use any old ExecutorService or Executor

* Akka now uses Scala STM

* Improved Java APIs

* Many minor improvements, bugfixes and tweaks

Highlights of Akka 2.0 Milestone 1:

* Asynchronous by design — most actor related operations are now asynchronous

* Removing all global state — introducing ActorSystem

* Mandatory Parental Supervision — fault-tolerant default and automatic

* Remote Supervision — children spawned on other nodes are supervised

* Actor Tree Hierarchy — file-system like addressing, with wildcards etc.

* Props — Actor configuration is immutable, sharable and reusable

* Futures & Promises — simpler and more powerful, blocking API refactored out

* Actor Routing — completely revamped, load balancing made much simpler

* Death Watch — react to the death of any actor

* Typed Actors — 0 dependency JDK Proxy based implementation

* EventBus API — publish-subscribe to anything you want

* Extensions — add new functionality to Akka

* Pluggable remote transport layer — Netty/TCP built–in

* General API unification and simplification — less to remember

* Simpler actor life-cycle semantics and management

* Slimmer footprint — around 2.7 million Actors per GB of memory

* Lots of performance and scalability improvements

Akka is released under the Apache V2 license.

Akka website: http://akka.io

Akka Maven repository: http://akka.io/releases

Akka binary distribution: http://akka.io/downloads

Akka 2.0-RC2 documentation: http://akka.io/docs/akka/2.0-RC2/

Issue tracker: http://www.assembla.com/spaces/akka/milestones/1045123-2-0-rc2

Akka mailing list: https://groups.google.com/group/akka-user

Happy hAkking!

√

--
Viktor Klang

Akka Tech Lead

Typesafe - The software stack for applications that scale

Twitter: @viktorklang

[√iktor Ҡlang]

Any first impressions?

2012/2/21 √iktor Ҡlang <viktor...@gmail.com>

[Jonas Bonér]

Awesome. As simple as that.

--
Jonas Bonér
CTO

Typesafe - The software stack for applications that scale

Phone: +46 733 777 123
Twitter: @jboner
Blog: letitcrash.com

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[chetan conikee]

Congrats , Jonas, Viktor , Patrick and all at Akka TypeSafe for a
RC2 ...
Every release is golden with more shine.

You guys are rockstars in our world as Akka is the "spine" of our
infrastructure ;)

On Feb 22, 8:40 am, Jonas Bonér <jo...@jonasboner.com> wrote:
> Awesome. As simple as that.
>
> --
> Jonas Bonér
> CTO
> Typesafe - The software stack for applications that scale
> Phone: +46 733 777 123
> Twitter: @jboner
> Blog: letitcrash.com

>  On Feb 22, 2012 5:04 PM, "√iktor Ҡlang" <viktor.kl...@gmail.com> wrote:
>
>
>
>
>
>
>
> > Any first impressions?
>

> > 2012/2/21 √iktor Ҡlang <viktor.kl...@gmail.com>

> >> Typesafe <http://www.typesafe.com/> - The software stack for

> >> applications that scale
>
> >> Twitter: @viktorklang
>
> > --
> > Viktor Klang
>
> > Akka Tech Lead

> > Typesafe <http://www.typesafe.com/> - The software stack for applications

> > that scale
>
> > Twitter: @viktorklang
>
> >  --
> > You received this message because you are subscribed to the Google Groups
> > "Akka User List" group.
> > To post to this group, send email to akka...@googlegroups.com.
> > To
>

> ...
>
> read more »

[Jonas Bonér]

Thank you very much. Really glad to hear that.

--
Jonas Bonér
CTO
Typesafe - The software stack for applications that scale
Phone: +46 733 777 123
Twitter: @jboner
Blog: letitcrash.com

[√iktor Ҡlang]

On Wed, Feb 22, 2012 at 11:18 PM, chetan conikee <con...@gmail.com> wrote:

Congrats , Jonas, Viktor , Patrick and all at Akka TypeSafe for a
RC2 ...
Every release is golden with more shine.

You guys are rockstars in our world as Akka is the "spine" of our
infrastructure ;)

Thanks for the kind words!

Cheers,

√

 

To unsubscribe from this group, send email to akka-user+...@googlegroups.com.
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--

Viktor Klang

Akka Tech Lead

Typesafe - The software stack for applications that scale

Twitter: @viktorklang

[Sean W]

We have been running solid for the last few version, thanks.

On Feb 22, 11:04 am, √iktor Ҡlang <viktor.kl...@gmail.com> wrote:
> Any first impressions?
>

> 2012/2/21 √iktor Ҡlang <viktor.kl...@gmail.com>

> > Typesafe <http://www.typesafe.com/> - The software stack for applications

> > that scale
>
> > Twitter: @viktorklang
>
> --
> Viktor Klang
>
> Akka Tech Lead

> Typesafe <http://www.typesafe.com/> - The software stack for applications
> that scale
>
> Twitter: @viktorklang

[√iktor Ҡlang]

Music to my ears!

[Jonas Bonér]

Great news. Thanks.

--
Jonas Bonér
CTO
Typesafe - The software stack for applications that scale

Phone: +46 733 777 123
Twitter: @jboner
Blog: letitcrash.com

On Feb 24, 2012 4:13 PM, "Sean W" <swa...@viridityenergy.com> wrote: