What version of Akka do you use? /Patrik On Mon, Jan 26, 2015 at 10:23 AM, Saparbek Smailov < [email protected]> wrote:
> Hello everyone, > > In our project we use Cluster Sharding with Cluster Singletons. Our > Cluster is set up on AWS Elastic Beanstalk. > The set up works perfectly until you start removing instances from the > cluster. The issue arises when a shard is recreated using Akka > persistence: during the recovery we get an error saying "Shard already > allocated". > > I went through the logs and realised that some of ShardRegionTerminated events > are persisted using LocalRef. > Let me elaborate on this a little bit: > - During the recovery I get ShardRegionRegistered event with > RemoteActorRef. > - Then I get ShardHomeAllocated event which allocates shard on the region > - I get ShardRegionTerminated with LocalActorRef, which does not remove > the Shard and Region from Maps, as RemoteActorRef is not equal to > LocalActorRef > - Then I get ShardRegionRegistered with Ref haveing different IP address > - Finally when next ShardHomeAllocated is replayed I get "Shard already > allocated" error. > > How can I avoid the problem? Is there any way to force Akka use only > RemoteActorRef or at least serialize using RemoteActorRef? Am I not using > the library properly? > I would appreciate any help/hint on this issue. > > Thank you very much! > > -- > >>>>>>>>>> Read the docs: http://akka.io/docs/ > >>>>>>>>>> Check the FAQ: > http://doc.akka.io/docs/akka/current/additional/faq.html > >>>>>>>>>> Search the archives: https://groups.google.com/group/akka-user > --- > You received this message because you are subscribed to the Google Groups > "Akka User List" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/akka-user. > For more options, visit https://groups.google.com/d/optout. > -- Patrik Nordwall Typesafe <http://typesafe.com/> - Reactive apps on the JVM Twitter: @patriknw -- >>>>>>>>>> Read the docs: http://akka.io/docs/ >>>>>>>>>> Check the FAQ: >>>>>>>>>> http://doc.akka.io/docs/akka/current/additional/faq.html >>>>>>>>>> Search the archives: https://groups.google.com/group/akka-user --- You received this message because you are subscribed to the Google Groups "Akka User List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/akka-user. For more options, visit https://groups.google.com/d/optout.
