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Using Spread Job Placement for a Nomad Job in a Cluster

In this lab, we will be creating a job in Nomad that runs 10 allocations. We will set this up in such a way that 70% of the allocations will go to one location and 30% of allocations will go to another. To accomplish this, we will use spread job placement to spread the jobs around our cluster.

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Clock icon Advanced
Clock icon 30m
Clock icon Nov 06, 2020

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Table of Contents

  1. Challenge

    Log in to the Provided Nomad Server

    Log into the server as "cloud_user" with the provided password to perform the tasks.

  2. Challenge

    Create a Job and Add a Weighting of 70% for dc1

    You will create a Nomad job called spread-test.nomad. As part of the job creation, you will set it to start 10 allocations. This job will make use of a Nomad stanza to spread the allocations between two data centers, dc1 and dc2, with 70% of the allocations going to dc1.

  3. Challenge

    Submit the Job to Run in the Cluster

    Submit the job you created to run in the cluster. The job should start 10 copies of the job.

  4. Challenge

    Check How Many Jobs are Running in Which Datacenters

    When you check the number of running jobs, 7 should be in dc1 and 3 should be in dc2.

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