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You're reading from  OpenStack Essentials. - Second Edition

Product typeBook
Published inAug 2016
PublisherPackt
ISBN-139781786462664
Edition2nd Edition
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Author (1)
Dan Radez
Dan Radez
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Dan Radez

Dan Radez joined the OpenStack community in 2012 in an operator role. His experience is focused on installing, maintaining, and integrating OpenStack clusters. He has been given the opportunity to internationally present OpenStack content to a range of audiences of varying expertise. In January 2015, Dan joined the OPNFV community and has been working to integrate RDO Manager with SDN controllers and the networking features necessary for NFV. Dan's experience includes web application programming, systems release engineering, and virtualization product development. Most of these roles have had an open source community focus to them. In his spare time, Dan enjoys spending time with his wife and three boys, training for and racing triathlons, and tinkering with electronics projects.
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Architecture of a Swift cluster


Swift has a proxy layer and a storage layer. These layers are associated with each other by way of the ring. The ring is a catalog of the objects that are being stored in the cluster and where they are being stored. This information is replicated to every storage node to improve the performance of the cluster. The proxy layer is a service that presents an API interface to end users and communicates with the storage layer on behalf of the end user. The storage layer is not generally communicated with directly.

By default, Swift uses the Swift storage engine for its storage backend. The Swift storage is a storage engine designed specifically for the Swift object storage cluster that is distributed in nature and able to be replicated. The Swift storage engine has a few subcomponents to it: the account server, the object server, and the container server.

Swift can also be backed by storage engines other than the Swift storage engine. There are a few other storage...

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OpenStack Essentials. - Second Edition
Published in: Aug 2016Publisher: PacktISBN-13: 9781786462664

Author (1)

author image
Dan Radez

Dan Radez joined the OpenStack community in 2012 in an operator role. His experience is focused on installing, maintaining, and integrating OpenStack clusters. He has been given the opportunity to internationally present OpenStack content to a range of audiences of varying expertise. In January 2015, Dan joined the OPNFV community and has been working to integrate RDO Manager with SDN controllers and the networking features necessary for NFV. Dan's experience includes web application programming, systems release engineering, and virtualization product development. Most of these roles have had an open source community focus to them. In his spare time, Dan enjoys spending time with his wife and three boys, training for and racing triathlons, and tinkering with electronics projects.
Read more about Dan Radez