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Interested in contributing patches to Samza? This page will get you started.  

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Apache Samza is developed by an open and friendly community. Everybody is welcome to contribute and engage with the community. We are happy to accept contributions, be it trivial cleanups or bug-fix or new features. There are many ways to engage with the community and contribute to Apache Samza, including filing bugs, asking questions and joining discussions in our mailing lists, contributing code or documentation, or testing.

Ask Questions

Apache Samza community is happy to answer any questions related to the project. We use our mailing list for all communications and discussions. You can also interact in StackOverflow under the tag - #apache-samza

File Bug Reports

Apache Samza uses JIRA to file bug reports. In order to file a bug report, please open Samza JIRA and include the following details:

• A descriptive title
• Description of the issue you are facing
• Version of Apache Samza in which this issue is seen - You can add the version(s) by updating “Affects Version/s” field in the JIRA
• Environment details (such as OS, JDK version etc) whenever applicable

If you need someone to immediately take a look at your JIRA, please don’t hesitate to send an email to the dev mailing list.

Find A Project to Work On

We tag bugs in JIRA with “newbie” label that are good for people getting started with the code base. When you feel confident, you can pick-up “newbie++” JIRAs. Picking up these JIRAs are the best way to familiarize yourself with the codebase.

More meaty projects are here. The process for working on a large project is:

1. Instigate a discussion on the JIRA
2. Write a design document
3. Request feedback for the design document on the Jira and the samza-dev mailing list
4. Come to an agreement on design
5. Implement design

If you are unclear whether a change you are proposing requires a design document, feel free ask us through our mailing list!

Style

Please read this page for coding style suggestions.

Tests

Please read this page for running various tests in Samza.

Contributor Workflow  

Samza’s code is in an Apache Git repository located here.

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