Apache Pekko Projections is intended for building systems with the CQRS pattern, and facilitate in event-based service-to-service communication.

Clone this repo:
  1. c62fab7 only run R2dbcOffsetStore delete task while the projection is running (#620) by PJ Fanning · 8 hours ago main
  2. cc0f0e5 r2dbc: add R2dbcSession.withSession (#664) by PJ Fanning · 8 hours ago
  3. 7f26fb1 r2dbc: start from earliest slice when projection key changes (downscaling) (#665) by PJ Fanning · 8 hours ago
  4. 9825df4 Update logback-classic to 1.6.6 (#666) by Scala Steward · 24 hours ago
  5. 0848a0b Update hibernate-core to 7.4.14.Final (#667) by Scala Steward · 24 hours ago

Apache Pekko Projections

Apache Pekko Projections provides an abstraction for consuming a stream of Envelope (where Envelope contains a payload and a trackable offset). This streams can originate from persisted events, Kafka topics, or other Apache Pekko connectors.

Apache Pekko Projections also provides tools to track, restart and distribute these projections.

Documentation

Apache Pekko Projections are documented at https://pekko.apache.org/docs/pekko-projection/current/.

To keep up with the latest releases check out Pekko Projections releases.

Community

You can join these forums and chats to discuss and ask Pekko and Pekko connector related questions:

  • GitHub discussions: for questions and general discussion.
  • Pekko users mailing list: for Pekko usage discussions.
  • Pekko dev mailing list: for Pekko development discussions.
  • GitHub issues: for bug reports and feature requests. Please search the existing issues before creating new ones. If you are unsure whether you have found a bug, consider asking in GitHub discussions or the mailing list first.

Contributing

Contributions are very welcome. If you have an idea on how to improve Pekko, don't hesitate to create an issue or submit a pull request.

License

Apache Pekko Projections is available under the Apache License, version 2.0. See LICENSE file for details.