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  • Mesos Slave processes advertises all of a node’s resources (8 CPUs, 16 GB RAM) to Mesos Master.
  • The YARN Node Manager is started as a Mesos Task. This task is allotted (4 CPUs and 8 GB RAM) and the Node Manager is configured to only advertise 3 CPUs and 7 GB RAM.
  • The Node Manager is also configured to mount the YARN containers under the cgroup hierarchy  which stems from a Mesos task.

 

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XREF: under the [cgroup hierarchy](cgroups.md)

 

For example:

Code Block
languagebash
/sys/fs/cgroup/cpu/mesos/node-manager-task-id/container-1

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