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A look at riakCS from BASHO

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Playing with Basho Riak CS Object Store

CloudStack deals with the compute side of a IaaS, the storage side which for most of us these days consists of a scalable, fault tolerant object store is left to other software. Ceph led by inktank and RiakCS from Basho are the two most talked about object store these days. In this post we look at RiakCS and take it for a quick whirl. CloudStack integrates with RiakCS for secondary storage and together they can offer an EC2 and a true S3 interface, backed by a scalable object store. So here it is.

While RiakCS (Cloud Storage) can be seen as an S3 backend implementation, it is based on Riak. Riak is a highly available distributed nosql database. The use of a consistent hashing algorithm allows riak to re-balance the data when node disappear (e.g fail) and when node appear (e.g increased capacity), it also allows to manage replication of data with an eventual consistency principle typical of large scale distributed storage system which favor availability over consistency.

To get a functioning RiakCS storage we need Riak, RiakCS and Stanchion. Stanchion is an interface that serializes http requests made to RiakCS.

A taste of Riak

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Open@Citrix

Citrix supports the open source community via developer support and evangeslism. We have a number of developers and evangelists that participate actively in the open source community in Apache Cloudstack, OpenDaylight, Xen Project and XenServer. We also conduct educational activities via the Build A Cloud events held all over the world. 

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