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Apache Mesos by Micah Hausler an introduction to - abstracted infrastructures -

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a short story.

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you work for a startup.

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that sells t-shirts.

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you

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selling t-shirts is great.

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Tomorrow 8:00 am Marketing <-> You

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“We need a portal that we can be updated constantly and provide customers and partners an interactive experience to promote our brand!” - marketing

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you already have your process,

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but it has to change here.

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the last thing you want is to perform duplicate work.

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happy web servers running your site happy database serving your site CPU: 80% CPU: 80%

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happy web servers running your site happy database serving your site web server running that portal CPU: 80% CPU: 80% CPU: 20%

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the present situation

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we’d like to go from this, App1 40% App1 40% App1 40% App1 40% App2 20%

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App1 40% App1 40% App1 40% App1 40% App2 20% to this.

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• Introduced in 2010 - UC Berkley • “Sixty-four cores or 128 cores on a single chip looks a lot like 64 machines or 128 machines in a data center” -Benjamin Hindman • A Data Center Operating System

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how does this actually work?

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how does this actually work? Master

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how does this actually work? Master Slave nodes

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what about slave failure? Master Slave nodes

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what about slave failure? Master Slave nodes

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what about slave failure? Master Slave nodes

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what about master failure? Master Slave nodes

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what about master failure? Master Slave nodes Standby Masters

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what about master failure? Master Slave nodes Standby Masters

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Q: How do jobs get sent to Mesos?

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Q: How do jobs get sent to Mesos? A: The scheduler API!

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Mesos Master Mesos Salve 1 Mesos Salve n +

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Mesos Master Mesos Salve 1 Mesos Salve n Framework A +

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Mesos Master Mesos Salve 1 Mesos Salve n Framework A +

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Mesos Master Mesos Salve 1 Mesos Salve n Framework A +

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Mesos Master Mesos Salve 1 Mesos Salve n Framework A Job 1 Job 2 +

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Mesos Master Mesos Salve 1 Mesos Salve n Framework A Job 1 Job 2 +

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Mesos Master Mesos Salve 1 Mesos Salve n Framework A Job 1 Job 2 +

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Mesos Master Mesos Salve 1 Mesos Salve n Framework A Task 1 Task2 Job 1 Job 2 +

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so what are the frameworks?

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so what are the frameworks? Singularity - by Hubspot Marathon - by Mesosphere Chronos and lots more

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demo time.

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who is using Mesos?

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who is using Mesos?

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other features. • slave roles • weighted resource assignments • framework resource reservations • maintenance API • multi-disk/partition assignment • slave recovery • startup file fetcher • oversubscription • quota (reserve resources for not-yet-created framework tasks)

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questions?

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links. • https://github.com/micahhausler/mesos-docker • https://mesos.apache.org/ • https://mesosphere.github.io/marathon/ • https://mesos.github.io/chronos/

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Micah Hausler @micahhausler [email protected] thanks! skuid is hiring • Site Reliability Engineers • NodeJS Backend Engineers • Frontend Engineers • Quality Engineers • System Engineers