For usage questions and help (e.g. how to use this Spark API), it is recommended you use the
as it is an active forum for Spark users’ questions and answers.
Some quick tips when using StackOverflow:
apache-sparktag to see if your question has already been answered
apache-sparktag when asking questions
For broad, opinion based, ask for external resources, debug issues, bugs, contributing to the project, and scenarios, it is recommended you use the firstname.lastname@example.org mailing list.
Some quick tips when using email:
apache-sparkto see if your question has already been answered
[Spark SQL]: Does Spark SQL support LEFT SEMI JOIN?
Please see the Security page for information on how to report sensitive security vulnerabilities, and for information on known security issues.
Chat rooms are great for quick questions or discussions on specialized topics. The following chat rooms are not officially part of Apache Spark; they are provided for reference only.
Spark Meetups are grass-roots events organized and hosted by individuals in the community around the world. Check out meetup.com/topics/apache-spark to find a Spark meetup in your part of the world. Below is a partial list of Spark meetups.
If you'd like your meetup or conference added, please email email@example.com.
The project tracks bugs and new features on JIRA. If you'd like, you can also subscribe to firstname.lastname@example.org to receive emails about new issues, and email@example.com to get emails about commits.
The ASF has an official store at RedBubble that Apache Community Development (ComDev) runs. In the store, various products featuring the Apache Spark logo are available.
Our site has a list of projects and organizations powered by Spark. Add yours by emailing `firstname.lastname@example.org`.