Merge pull request #110 from bensojona/b-documentation-fixes
Documentation fixes
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6b04a6b250
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@ -37,7 +37,7 @@ clarify what is being discussed:
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Example Drivers include Docker, Qemu, Java, and static binaries.
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Example Drivers include Docker, Qemu, Java, and static binaries.
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* **Task** - A Task is the smallest unit of work in Nomad. Tasks are executed by drivers,
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* **Task** - A Task is the smallest unit of work in Nomad. Tasks are executed by drivers,
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which allow Nomad to be flexible in the types of tasks it supports. Tasks
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which allow Nomad to be flexible in the types of tasks it supports. Tasks
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specify their driver, configuration for the driver, constraints, and resources required.
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specify their driver, configuration for the driver, constraints, and resources required.
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* **Client** - A Client of Nomad is a machine that tasks can be run on. All clients run the
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* **Client** - A Client of Nomad is a machine that tasks can be run on. All clients run the
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@ -22,7 +22,7 @@ to learn about them without having to go spelunking through the source code.
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## Gossip in Nomad
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## Gossip in Nomad
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Named makes use of a single global WAN gossip pool that all servers participate in.
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Nomad makes use of a single global WAN gossip pool that all servers participate in.
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Membership information provided by the gossip pool allows servers to perform cross region
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Membership information provided by the gossip pool allows servers to perform cross region
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requests. The integrated failure detection allows Nomad to gracefully handle an entire region
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requests. The integrated failure detection allows Nomad to gracefully handle an entire region
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losing connectivity, or just a single server in a remote region. The gossip protocol
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losing connectivity, or just a single server in a remote region. The gossip protocol
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@ -25,8 +25,8 @@ common drivers.
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Kubernetes is designed as a collection of more than a half-dozen interoperating
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Kubernetes is designed as a collection of more than a half-dozen interoperating
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services which together provide the full functionality. Coordination and
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services which together provide the full functionality. Coordination and
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storage is provided by etcd at the core. The state is wrapped by API controllers
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storage is provided by etcd at the core. The state is wrapped by API controllers
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which are consumed by other services that provide higher level APIs or features
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which are consumed by other services that provide higher level APIs for features
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like scheduling. Kubernetes supports running in a high available
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like scheduling. Kubernetes supports running in a highly available
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configuration but is operationally complex to setup.
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configuration but is operationally complex to setup.
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Nomad is architecturally much simpler. Nomad is a single binary, both for clients
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Nomad is architecturally much simpler. Nomad is a single binary, both for clients
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@ -16,8 +16,8 @@ depends on ZooKeeper to provide both coordination and storage.
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There are many different frameworks that integrate with Mesos,
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There are many different frameworks that integrate with Mesos,
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popular general purpose ones include Aurora and Marathon.
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popular general purpose ones include Aurora and Marathon.
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These frameworks allow users to submit jobs and implement scheduling
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These frameworks allow users to submit jobs and implement scheduling
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logic. These frameworks depend on Mesos for resource management,
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logic. They depend on Mesos for resource management, and external
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and external systems like ZooKeeper to provide coordination and storage.
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systems like ZooKeeper to provide coordination and storage.
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Nomad is architecturally much simpler. Nomad is a single binary, both for clients
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Nomad is architecturally much simpler. Nomad is a single binary, both for clients
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and servers, and requires no external services for coordination or storage.
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and servers, and requires no external services for coordination or storage.
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