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From Anindya Sinha <>
Subject Re: Review Request 51879: Autodetect value of resource when not specified in static resources.
Date Sat, 10 Dec 2016 01:19:26 GMT

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(Updated Dec. 10, 2016, 1:19 a.m.)

Review request for mesos and Jiang Yan Xu.


Addressed review comments.

Bugs: MESOS-6062

Repository: mesos

Description (updated)

When static resources indicate resources with a positive size, we use
that for the resources on the agent. However, --resources can include
resources with no size, which indicates that mesos agent determine the
size of those resources from the agent and uses that information. Note
that auto-detection of resources is allowed for all known resource
types except "gpus" (i.e. "cpus", "mem", "disk" and "ports") when
represented in JSON format only. Auto-detection is not done when the
resources are represented in text format.

With this change, JSON representation for disk resources that do not
specify any value would not result in an error, but those resources
will not be accounted for until a valid size is determined for such
resources. A scalar value of -1 still results in an invalid resource.

Diffs (updated)

  include/mesos/resources.hpp f569c931ff7db8d51dfd7c96f4f2addab05df85d 
  include/mesos/v1/resources.hpp f60ab794a0c7c24885c49cc47b798c363e3279e7 
  src/common/resources.cpp 4bb9beffcb3509f4226b4985e05eccec01412d0f 
  src/slave/containerizer/containerizer.cpp d46882baa904fd439bffb23c324828b777228f1c 
  src/slave/containerizer/mesos/isolators/gpu/allocator.cpp 2e722691475c84afae14009014ea70cc0fdd0e65

  src/v1/resources.cpp 46cc00f2f453f5eb4ddc4b0b9b89be2bd89f05d9 



Tests passed.


Anindya Sinha

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