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The Apache Spark team welcomes all types of contributions, whether they be bug reports, documentation, or new patches.

Reporting Issues

If you'd like to report a bug in Spark or ask for a new feature, open an issue on the Apache Spark JIRA. For general usage help, you should email the user mailing list.

Contributing Code

The Apache Spark team welcomes We prefer to receive contributions in the form of GitHub pull requests. Please send pull requests against the github.com/apache/incubator-spark repository. If you've previously forked Spark from its old location, you will need to fork incubator-spark instead.

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If you’d like to report a bug but don’t have time to fix it, you can still post it to our issue tracker, or email the mailing list.

Documentation

If you'd like to contribute documentation, there are two ways:

• To have us add a link to an external tutorial you wrote, simply email the developer mailing list. 
• To modify the built-in documentation, edit the MarkDown source files in Spark's docs directory, and send a patch against the incubator-spark GitHub repository. The README file in docs says how to build the documentation locally to test your changes.

Participating in Development Discussions

To keep up to date with the latest discussions, join the developer mailing list.