How to use an Internet sized computer

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No More Servers

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Big Computer

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Containers

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Cloud Computing

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Containers + Cloud Computing

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= Internet Sized Computer

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How to use an Internet Sized Computer

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Internet Sized Computers Suck

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• Big chunks of your computer might disappear for no reason • Your data might disappear • Your processes sometimes might not be able to communicate with each other

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• Some bits of your computer might be on the other side of the world • Some people might be man-in-the-middling bits of your computer

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How to run a process

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$ echo hello world

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fork-exec

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$ docker run ubuntu echo hello world

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POST /containers/create HTTP/1.1 { "Image": “ubuntu", "Cmd": ["echo", "hello", “world"] }

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$ docker -H anotherhost.oscorp.com \ run ubuntu echo hello world

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docker client | swarm / \ node1 node2 | | docker engine docker engine

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$ docker -H myswarm.oscorp.com \ run ubuntu echo hello world

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Docker in the Cloud • IBM Bluemix Containers • Joyent SmartDataCenter

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What can you do with it?

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Find things that assume computers are slow to start and can’t be thrown away

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$ docker run myapp ./test.sh

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$ ls tests/**/*_test.py | \ parallel docker run myapp ./test.sh

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$ ls *.mp4 | parallel “cat {} | docker run jrottenberg/ffmpeg ... > out/{}”

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>>> import dockerrun >>> client = dockerrun.from_env() >>> client.run("ubuntu", "echo hello world") 'hello world\n'

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>>> client.run(“myapp", "tasks/reticulate-splines", wait=False) Infinite task queues

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How to run an application • Tooling is still in its infancy • Look into Compose, Kubernetes, Mesos

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The future • Networking and storage • Scaling down

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What if it’s only a second to spin a machine up or down? We can start to have machine per web request, or machine per social interaction (IM, tweet or hug). – Timothy Fitz, 2009 http://timothyfitz.com/2009/02/14/cloud-elasticity/

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Credits: https://www.flickr.com/photos/taylar/4616771574/ Thanks! @bfirsh [email protected]