DevOps is the most common category for OpenStack clouds according to the survey (iStock/Thinkstock)

DevOps is the most common category for OpenStack clouds, according to the survey.

OpenStack Survey Highlights Containers and DevOps in Open Source Cloud

The April 2016 OpenStack User Survey reveals the latest open source cloud computing trends, including interest in containers and DevOps in relation to OpenStack.

Ubuntu continues to dominate OpenStack deployments, interest in containers is strongly increasing and DevOps remains the top focus of open source clouds. These are among the takeaways from the latest OpenStack user survey, which debuted this week.

The survey is the seventh that the OpenStack Foundation has conducted since 2013. Based on the responses of 1,603 IT professionals who use OpenStack, the open source platform for creating private and hybrid clouds, the survey is designed to identify trends within the OpenStack community.

The most significant findings for understanding the current direction of open source cloud computing include:

  • Not surprisingly, IT is the industry where OpenStack is most widely used. But interestingly, telecommunications come in second. This is probably a reflection of the growing interest that telecoms have expressed in OpenStack and related open source technologies, like the ONOS SDN platform.
  • Containers top the list of emerging technologies that interest OpenStack users, and Magnum, OpenStack's container API, is the OpenStack project that most interests survey respondents. Taken together, these findings are strong evidence that the OpenStack community looks forward eagerly to tight integration between open source clouds and container platforms like Docker, CoreOS and LXD.
  • Software development, testing, quality assurance and continuous integration -- a category that can be broadly summarized as DevOps -- is the most common workload for OpenStack clouds. Infrastructure services and Web services are only second and third on the list. This suggests that OpenStack is currently being used primarily for internal operations, rather than for delivering public-facing services, or even ones that are used internally beyond the IT department.
  • Ubuntu Server remains the most popular operating system for hosting OpenStack, as it has been in previous surveys. Ubuntu appears to have a sustained lead in this area. CentOS and Red Hat Enterprise Linux were second and third in this category, but Ubuntu still has as much market share as these other two combined. (In case you're wondering, one percent of respondents said they were hosting OpenStack on Windows Server -- so, yes, at least someone is actually doing that.)
  • The strong majority of OpenStack clouds support between 10 and 999 users. Only a relatively small number support fewer than ten users, and a tiny fraction handle higher than 10,000. This evidence implies that OpenStack is most popular in small and, especially, medium-size organizations.

The full survey results are available here.

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