Docker 1.9 is out this week, bringing new storage, scalability and clustering features to the open source container platform.

Christopher Tozzi, Contributing Editor

November 6, 2015

1 Min Read
Docker 1.9 Ups Storage and Scalability for Open Source Containers

Docker 1.9 is out this week, bringing new storage, scalability and clustering features to the open source container platform.

The new Docker release delivers three key new features:

  • Multi-host networking, which lets containerized apps running on different networks communicate with one another. That adds scalability to the platform, Docker developers say.

  • A new storage volume management system that supports "stateful" containers. That means admins can deploy a permanent storage volume for different containers to use as apps are spun up and shut down. Previously, Docker developers say, persistent storage for containers had been a major challenge. Combined with plugins that let containers connect to distributed, highly scalable storage platforms such as Ceph and Blockbridge, the new volume management simplifies clustered, scalable container deployment, according to Docker.

  • Production-ready release of Docker Swarm, a Docker component for deploying and managing clustered containerized apps.

These features are not totally new. Most of this functionality was available previously in beta form. With the Docker 1.9 release, however, it is now in general availability.

The Docker team believes the new release will drive Docker adoption even further. "Docker 1.9 is a major release for operations teams looking to deploy container-based applications in production, especially at a larger scale," said Solomon Hykes, CTO and chief architect at Docker. "With built-in node discovery, a new cluster-aware networking stack and full support for persistent services, Docker gives dev and ops teams all the building blocks needed to deploy scalable applications, without sacrificing developer productivity or locking users into a specific infrastructure."

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About the Author(s)

Christopher Tozzi

Christopher Tozzi

Contributing Editor

Christopher Tozzi started covering the channel for The VAR Guy on a freelance basis in 2008, with an emphasis on open source, Linux, virtualization, SDN, containers, data storage and related topics. He also teaches history at a major university in Washington, D.C. He occasionally combines these interests by writing about the history of software. His book on this topic, “For Fun and Profit: A History of the Free and Open Source Software Revolution,” is forthcoming with MIT Press.

See more from Christopher Tozzi
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