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![]() Nick Janetakis ist Docker Trainer and creator of – Hype or true revolution? With this, it brings further benefits like Reduced IT management resources, reduced size of snapshots, quicker spinning up apps, reduced & simplified security updates, less code to transfer, migrate and upload workloads. The bigger the OS footprint, the more environment benefits from containers. But with a container environment, multiple workloads can run with 1 OS. Under a VM environment, each workload needs a complete OS. VMs & Docker – each comes with benefits and demerits. It shares hardware resource from the host. ![]() Each VM has Operating system (OS) & apps. Under VMs, server hardware is virtualized. They are made up of user space plus kernel space of an operating system. ![]() In Docker, the containers running share the host OS kernel.Ī Virtual Machine, on the other hand, is not based on container technology. At the low level, a container is just a set of processes that are isolated from the rest of the system, running from a distinct image that provides all files necessary to support the processes. Whether it’s Big data analytics, application frameworks, application infrastructure, application services, databases, messaging services, monitoring, operating systems, programming languages, deep learning, security, storage, DevOps tools, or more, you will surely find tremendous amount of interest around implementations with Docker containers.ĭocker is container based technology and containers are just user space of the operating system. ![]() Docker has revolutionized the way how we ship, build and run our application ranging from small IoT devices like the Raspberry Pi, laptops, workstations, or mainframes to diversified Cloud Platforms. Irrespective of what language you are using to develop your application on whichever platform, all you do is package the application and run it seamlessly across the multiple environments. I think the same thing is happening in the server world. – Hype or true revolution?Ījeet Singh Raina: How many times have you encountered CPU/Memory/Resource error while you install Temple Run or any kind of application on your mobile device? I never heard anyone complaining about it. Ajeet Singh Raina is Senior Systems Development Engineer at DellEMC Bengaluru, Karnataka, India.
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