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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:...

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What 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...

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Best 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...

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Alpakka 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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Alpakka S3 Connectors For Parquet File format

Hi Team Which API to use to upload a large parquet file to S3 I tried AlpakkS3.multipartUlpoadApi but its converting the parque to ByteString Then I moved to S3AvroParquetWriter Can we use...

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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...

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Alpakka 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...

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Best 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...

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Build 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...

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Continue 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...

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Downing 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...

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ActorCluster 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...

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Alpakka google-cloud-pub-sub for Scala 3?

Is that in the plans? 3 posts - 2 participants Read full topic

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License 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...

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A 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...

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Issue 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:...

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Optional 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...

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Rolling 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...

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