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Storm is a distributed realtime computation system. Similar to how Hadoop provides a set of general primitives for doing batch processing, Storm provides a set of general primitives for doing realtime computation. Storm is simple, can be used with any programming language, is used by many companies, and is a lot of fun to use!

Read these first

• Rationale
• Tutorial
• Setting up development environment
• Creating a new Storm project

Documentation

• Manual
• Javadoc
• FAQ

Getting help

NOTE: The google groups account storm-user@googlegroups.com is now officially deprecated in favor of the Apache-hosted user/dev mailing lists.

Storm Users

Storm users should send messages and subscribe to user@storm.incubator.apache.com.

You can subscribe to this list by sending an email to user-subscribe@storm.incubator.apache.org. Likewise, you can cancel a subscription by sending an email to user-unsubscribe@storm.incubator.apache.org.

You can view the archives of the mailing list here.

Storm Developers

Storm developers should send messages and subscribe to dev@storm.incubator.apache.com.

You can subscribe to this list by sending an email to dev-subscribe@storm.incubator.apache.org. Likewise, you can cancel a subscription by sending an email to dev-unsubscribe@storm.incubator.apache.org.

You can view the archives of the mailing list here.

Which list should I send/subscribe to?

If you are using a pre-built binary distribution of Storm, then chances are you should send questions, comments, storm-related announcements, etc. to user@storm.apache.incubator.org.

If you are building storm from source, developing new features, or otherwise hacking storm source code, then dev@storm.incubator.apache.org is more appropriate.

What will happen with storm-user@googlegroups.com?

All existing messages will remain archived there, and can be accessed/searched here.

New messages sent to storm-user@googlegroups.com will either be rejected/bounced or replied to with a message to direct the email to the appropriate Apache-hosted group.

IRC

You can also come to the #storm-user room on freenode. You can usually find a Storm developer there to help you out.

Related projects

• storm-contrib
• storm-deploy: One click deploys for Storm clusters on AWS
• Spout implementations
• DSLs and multilang adapters
• Serializers

Contributing to Storm

• Contributing to Storm
• Project ideas

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Companies and projects powered by Storm