GroupWhile on Akka Streams?
@psilos wrote: Hello, Is there a way to achieve a groupWhile behaviour on akka-streams ? I have examined all the existing group/groupWithin/takeWhile etc functions, but I would need to implement a...
View ArticleHow TCP connections are managed in case of akka remote communication
@kpritam wrote: I was going through the documentation but could not find details around how TCP connections are managed when akka remoting/cluster is enabled with the following setting...
View ArticleNot receiving published message in different actor system
@anilkumble wrote: Hi I want to communicate actors across the cluster, So I am planning to use pub sub protocal in akka. And I found sample java code from the below link...
View ArticleDifferent number-of-shards per entity type
@angelcervera wrote: I’m using Akka sharding to store two different types. One of the types allocates a relatively small data set and small size (but still sharding is necessary). The other one...
View ArticleAkka persistence - remove messages from journal (or mark as confirmed), when...
@ferdiaF wrote: Akka noob here. So for eg: I have actor X and Y. Actor X persists message to journal, then it sends message to Y. Y receives message, and sends confirmation back to X to let it know...
View ArticleHow to connect cassandra with remote hosts in persistence
@anilkumble wrote: Hi, How to connect remote cassandra cluster for persistence. I have checked the document where it mentioned to include the below config cassandra-sessions.default.contact-points =...
View ArticleAlpakka Kafka 2.0.0-RC1 released
@seglo wrote: Dear hakkers, Apache Kafka 2.4.0 final was released on Dec 15th. Alpakka Kafka 2.0.0-RC1 references this released artifact which includes improvements for async flow control we use in...
View ArticleAlpakka 2.0.0-M2 milestone released
@seglo wrote: Dear hakkers, This release contains lots of library upgrades that we’re trying to get in before a 2.0.0 final. Alpakka Milestone 2.0.0-M1 spurred a number of contributions across the...
View ArticleAkka Team Video: Introduction to Akka Cluster Sharding
@helena wrote: New Akka Team video: Introduction to Akka Cluster Sharding - how it can help, and a code walk through of basic usage of the API in ten minutes Posts: 1 Participants: 1 Read full topic
View ArticleInstrumentation for akka persist + cassandra
@nur wrote: Hi, We’re using opentracing on the akka actor side and prometheus on the cassandra server side. Opentracing can only measure up to the persist callback. We’d like to see much more...
View ArticleSupport for type parameters or type members in Akka messages
@jchapuis wrote: Hi there, when looking at the documentation about serialization https://doc.akka.io/docs/akka/current/serialization.html, I haven’t found mention or word of caution about what happens...
View ArticleAlpakka S3: difficulty migrating to redesigned API?
@peternitro wrote: I inherited a codebase that was developed against 0.20, need to migrate to 1.x because of binary interface changes within Akka. It looks like the Alpakka S3 connector API changed...
View ArticleRegister coordinator fail when I use proxy-only-mode for cluster sharding
@i.na wrote: Hello, I’m trying to use cluster sharding with proxy only mode. I would like to run 2 node. One is only proxy mode without any entity and another for only entity. I added below config //...
View ArticleHow to delete events in Akka Persistence
@anilkumble wrote: Hi, How to delete events from cassandra database which is starting with specific prefix. Say, If I am creating persistent actors with name "Actor+xx… Now I want to delete all the...
View ArticleWarning: PoisonPill will not be supported in the future
@megothss wrote: Hi, I’ve recently upgrade Akka version in one of my applications and I’m getting a lot of the following warning logs: ActorRefSource(akka:// ... ): for backwards compatibility:...
View ArticleAkka 2.6.0 with Scala 2.13 OSGI missing requirement
@flexvalley wrote: Hello, I’m new in this forum but I’m using Akka from 8 months in our IoT Platform. We are running with scala 2.12 and 2.5.20 Akka into OSGI Apache Karaf very well. I’m starting to...
View ArticleHow muxh i should pay the subscription of akks in lightbend plateform?
@Kiddinglife wrote: how muxh i should pay the subscription of akks in lightbend plateform ? Posts: 1 Participants: 1 Read full topic
View ArticleDo akka streams provide guaranteed delivery
@ferdiaF wrote: the following is from the documentation (akka): Delivery guarantees Stream refs utilise normal actor messaging for their trainsport, and therefore provide the same level of basic...
View ArticleAlpakka-kafka - Consumer sends LeaveGroup request
@Hatebeingslow wrote: So my problem is when i starting my kafka consumer stream, after consuming some records AbstractCoordinator sends LeaveGroup request to coordinator and then Consumer is stopping,...
View ArticleAkka actors in Java
@sob wrote: Hi guys, I am starting with Akka framework but I could not found any simple examples implemented in Java. So I tried to create Producer-Consumer problem with using Akka Actors. After some...
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