Akka Persistence warmup
Hi, I’m using k8s to run an akka cluster with persisted sharded entities. After rollup update I can see the first interaction with actor triggers the following logs: akka.persistence.Persistence:...
View ArticleWhat is the purpose of GetLastOffset
akka-edge rust implementation has offset-store. It has GetLastOffset GetOffset and SaveOffset What is the purpose of GetLastOffset. How is it used to pause/resume or crash/resume scenarios? 1 post - 1...
View ArticleBest way to pause an actor command and retry it without blocking the actor
hello, I am trying to find the best way to pause an actor command and retry it without blocking the actor itselt. Basically events are filling a hashtable and I need to wait until a specific index of...
View ArticleAlpakka SE3 Connectors support with Ceph
Hello Fellow Engineers, I am having a basic question, currently we are using Alpakka S3 connectors with Cloudian S3, do we support Ceph as well Thanks, Susmit 1 post - 1 participant Read full topic
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Why the remote Akka nodes become unreachable however the network is reachable?
Hi, I would like to rebuild my ODL clusters on the overlay network. the cluster before: these nodes connect each other on the underlay network(11.128.85.27, 11.128.85.58, 11.128.85.79), and the...
View ArticleAlpakka connector
Hi, I am very new to Apache Kafka and kafka stream. I have a few questions: Does Apache Kafka Server has built in alpakka kafka connector My Javascript application sends messages (producer) to Apache...
View ArticleBest Practices for Scaling Akka Actors in a High Throughput System
Hello Akka community, I’m currently working on a high-throughput system using Akka, and I’m seeking advice on best practices for scaling Akka actors in a way that ensures both performance and...
View ArticleBuild akka 2.6.9
How to build Akka 2.6.9 by using the source code in the Github. I try to build it, but it can not get some plugin dependencies in JFrog. Has anyone encountered this issue? 2 posts - 2 participants...
View ArticleContinue buffering new messages when underlying persistence plugin throw ex
I have some eventSourcedBehaviour setup as a cluster. And im uisng r2dbc plugin with postgres for both the journal and snapshot. when I simulate the failure of postgres(by switching it completely...
View ArticleDowning an unreachable node via akka management doesn't solve the unreachability
Hello, we have a cluster of 5 nodes and we use akka 2.8.6. We do not use the auto-downing feature but instead we down unreachable nodes via akka management. Today a node in our cluster became...
View ArticleActorCluster bootstrap not starting properly ....
When i tried to implement a ActorCluster formation with akka 2.5.32. I have used akka-discovery_2.11-2.5.32.jar akka-http_2.11-10.1.15.jar akka-management_2.11-1.0.10.jar...
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Why/When would EventsByTagStage receive multiple pubsub notifications within...
We are using akka-persistence-cassandra v0.103 with the following configurations cassandra-journal.pubsub-notification = 3s cassandra-query-journal.refresh-interval = 10s...
View ArticleAlpakka google-cloud-pub-sub for Scala 3?
Is that in the plans? 3 posts - 2 participants Read full topic
View ArticleLicense key within Playframework
Hello there, We are (finally) migrating to Akka 2.10+ in our web application backed by Playframework. Unfortunately, we do have a strange behavior with the akka.license-key configuration. We can give...
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Akka Memory Leak Issue
I’ve observed that the memory usage of the Akka Cluster nodes continuously increases, which eventually leads to pod restarts after a certain period. I can clearly see this trend while monitoring the...
View ArticleA problem with cinnamon instrumenting akka streams
Hi, I’m using cinnamon for collecting metrics from akka streams and faced a weird behavior of the cinnamon library when RestartSource, RestartFlow or RestartSink is used. Basically the problem is that...
View ArticleIssue with EventProducerSource in app with many event sourced entitites
Hello, I’m developing the Akka application using Event Sourcing in Cluster and Projections. I started the project using the examples given in Akka’s examples on GitHub. This is how the project looks:...
View ArticleOptional scalapb serialization binding breaks existing mapping
Hi there, related to this feature in 2.9.0 release: feat: Optionally include serialization binding for ScalaPb by patriknw · Pull Request #32070 · akka/akka · GitHub I see that starting from akka...
View ArticleRolling Update with Remember Entites issue with newer Writer
Hi everyone, if I perform a rolling Update with Remember-Entities on then the new node get plenty of errors from this line of code: val errMsg = s"Invalid replayed event...
View ArticleOffsetstore timeuuidoffset is not being updated
Hello Everyone, I have an issue since days and I don’t understand the root cause. I’m using Lagom and here are the relevant versions: Lagom 1.6.0 akka 2.6.9 akka-http 10.1.11...
View ArticleSupport for Multiple Protocols in AKKA Remote Artery SSL Configuration
I’ve been reviewing the AKKA documentation, and it doesn’t explicitly state whether akka - remote.artery.ssl can support multiple protocols in its configuration. For instance, setting protocol =...
View ArticleWhich akka package to add in logback xml in the application to see TLS...
Which akka package to add in logback xml in the application to log and see TLS exceptions or TLS connection establishment failures when TLS version mismatch found between provider and consumer. we...
View ArticleIs there any way to support Multiple TLS protocol versions to support...
Is there any way to support Multiple TLS protocol versions to support backward compatability in akka via application.conf for example both, [“TLSv1.2”, “TLSv1.3”] 2 posts - 2 participants Read full...
View ArticleTCP Connection between akka cluster nodes
akkaVersion =‘2.6.21’ two hosts containing two akka jvms which are supposed to be clustering is not working due to the following error seen in seed-node error log running in linux machine: 2025-06-03...
View ArticleTLS connection not establishing after introducing new customsslengine class
I have created new scala class for introducing customsslengine as below package akka.osgi; import akka.actor.ActorSystem import akka.event.{Logging, LoggingAdapter} import...
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