Get Started

These guides demonstrate how to get started quickly with Hazelcast IMDG and Hazelcast Jet.

Hazelcast IMDG

Learn how to store and retrieve data from a distributed key-value store using Hazelcast IMDG. In this guide you’ll learn how to:

Create a cluster of 3 members.
Start Hazelcast Management Center
Add data to the cluster using a sample client in the language of your choice
Add and remove some cluster members to demonstrate data balancing capabilities of Hazelcast

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Hazelcast Jet

Learn how to build a distributed data processing pipeline in Java using Hazelcast Jet. In this guide you’ll learn how to:

Install Hazelcast Jet and form a cluster on your computer
Build a simple pipeline that receives a stream of data, does some calculations and outputs some results
Submit the pipeline as a job to the cluster and observe the results
Scale the cluster up and down while the job is still running

Learn More Get Started

Community

Participate

Join the Hazelcast Community

There are many ways to get involved with the projects.

Inform

We rely on our community to help us uncover bugs or other issues. You can raise these in Github Issues for the relevant project. For example, you can raise Hazelcast IMDG issues here. The community provides bug fixes on a regular basis, and these are always welcome.

Contribute

There are 2 major releases of Hazelcast IMDG per year. The community plays an important role in shaping the roadmap. We promote upcoming features on the Github Wiki page, and the community discusses larger feature requests via Hazelcast Enhancement Proposals.

Promote

Community members can promote the project and the benefits of Hazelcast in their applications via blog posts, social media, and in-person talks at conferences or local user groups. For most talks, we can usually provide some items such as t-shirts, laptop stickers, pins, or books.

Forums

Ask, answer, and contribute.

Google Groups

Hazelcast engineers and many other community members monitor this forum. It’s usually the best place to get your questions answered. We make general project announcements here as well.

Discuss

Stack Overflow

Our community monitors StackOverflow for questions tagged with “hazelcast.”

Discuss

GitHub

We store the source code for all Hazelcast projects in GitHub. Report issues here, contribute and collaborate on roadmap items in the wiki.

Discuss

Slack

Join the Hazelcast Community on slack to chat with users and developers of Hazelcast

Discuss

Events

Join us at a Community Event nearby

The Hazelcast community is global. If there’s nothing in your area, we can help you establish a local group or sponsor a talk. Send details to community@hazelcast.com.

Looking for info on our live events? We're busy coordinating developer events at the moment, so please check back in a few days for the latest info. In the meantime, check out our free, on-demand training.

On-Demand Training

Heroes

Hazelcast Heroes

Meet the Hazelcast Heroes who have made the Hazelcast community a better place to be. Our heroes contribute in many ways, helping other community members via the forums, offering advice on roadmaps, updating documentation, running meetups, and, of course, shipping code.

Ippei Matsushima (kazuhira)

Hazelcast Hero and Application Developer

You’re looking for code samples or documentation/help about Hazelcast® in Japanese? Ippei aka Kazuhira can help you out. His blog features growing Hazelcast related examples and explanations, a huge contribution to the Hazelcast community in Japan!

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Anil Desai (A.K.Desai)

Hazelcast Hero and Technical Lead at Tata Consultancy Services

You asked a question on Stackoverflow? If your answer is not from a Hazelcast® employee, there’s a very high probability Anil answered it. He’s the most active community member on StackOverflow and we’re happy to have him to share his insight and knowledge with the rest of the community!

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Alwyn Tan

Hazelcast Hero and Senior Software Engineer at GovTech Singapore

Alwyn is one of the greatest contributors to the Hazelcast community. He does not only help others on problems and questions but is also deep into the Hazelcast source, providing bugfixes and features. Thanks to Alwyn for being such an important part of the community, and being a Hazelcast Hero!

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Denis Sukhoroslov

Hazelcast Hero and Founder, CTO at Bagri DB

Denis is not only a very active member of the Hazelcast community, answering questions and helping on issues, he is also extremely engaged with his help on new features and HEPs. Last but not least he’s the creator of BagriDB, an XML/Document database.

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Mat Johns

Hazelcast Hero and Lead Architect at Sky

He literally wrote the book on Hazelcast® 2.x, entitled “Getting Started with Hazelcast”. Given the release of Hazelcast 3.x, he updated it and released a second edition, you can find here. It still is a great reference and the Amazon comments speak for themselves.

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Michael “Mike” Pilone

Hazelcast Hero and Software Architect at National Public Radio (NPR)

Mike is always happy to help, most active on our Google Groups. He has a very deep understanding of the Hazelcast® codebase and is the author of HazelcastMQ, which provides a simple messaging layer on top of the basic Queue and Topic data structures provided by Hazelcast. You can find Mike’s blog here.

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Tim Peierls

Hazelcast Hero and Owner at Seat Yourself.biz

Tim was one of the first adopters of Hazelcast technology. He answers questions on the community and talks about Hazelcast at conferences. He is the co-author of the “Java Concurrency in Practice” handbook and was a member of the JCP Executive Committee.

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Companies

Who is Using Hazelcast?

Tools

YourKit supports the Hazelcast open source project with its Java Profiler. YourKit, LLC is the creator of tools for profiling Java and .NET applications. Take a look at YourKit’s products:

YourKit Java Profiler YourKit .NET Profiler