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Docker Container System Works With All Linuxes
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Greenleaf
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Greenleaf,
User Rank: Strategist
12/25/2013 | 1:09:09 AM
Re: Docker has many future uses
This comes fom Docker Github readme concerning a performance hit.

Like all major IaaS implementations, Openstack relies heavily on virtual machines. Although there will always be a case for VMs in certain applications, we believe lightweight containers are a great alternative in many scenarios, especially for payloads which are CPU- and memory-intensive and suffer from the performance overhead of VMs.
Greenleaf
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Greenleaf,
User Rank: Strategist
12/25/2013 | 12:24:44 AM
Re: Who will take advantage of Docker containers for Linux
Yes, I can think of one use off the top of my head which is useful in all development shops in all industries. Deploying code. When code is deployed to various environments like QA, DEV, SIT, PROD, sometimes it is usefule to put all those platforms on one machine. Maybe because of costs. Because Dockers uses change root and other Linux process seperation utilities, this can be done. Also in architecting secure environments for various services which are needed for a web site, there are things like the User DB, the Analytics DB, a Nagious server, informatica server, a web server, and a logging service. All these can now be seperated into seperate containers. This mean that one can not interfere with the other nor communicate to the other in any other way than that which is allowed. This makes security better and debugging simpler and all the log files are located within their own container. Release engineers will only have to deploy to that container and no other. If any problems occure, they developed because of the code delivered to that container so the release engineer only has to roll back that container. And maybe with the Motorola Ara project (Phonebloks), something like this would allow the cell phone to have one OS with each module running within it's own container preventing one vendors module from interfering with anothers. 
cbabcock
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cbabcock,
User Rank: Strategist
11/27/2013 | 4:16:54 PM
Docker has many future uses
Who will use it? It's only a few months old but has had a rapid uptake by open source developers. They no longer have to struggle to deploy software they developed on their favorite Mac into an enterprise Linux environment. They just forward it in Docker. In a sense, Docker virtualizes the environment around the application, making it standard and interfaceable to the outside x86 processing world without needing to know all the details. I've not seen a report on the performance hit involved. But it potentially has many uses, including moving cloud workloads around. 
Thomas Claburn
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Thomas Claburn,
User Rank: Author
11/27/2013 | 3:53:05 PM
Re: Who will take advantage of Docker containers for Linux
One use that comes to mind: Docker makes Web apps portable to different platform providers. 
David F. Carr
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David F. Carr,
User Rank: Author
11/27/2013 | 3:40:56 PM
Who will take advantage of Docker containers for Linux
Who is taking advantage of this? Is this technology particularly useful for any particular industry or type of IT operation? Where will the practical benefits turn up?


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