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From Anindya Sinha <>
Subject Re: Review Request 51879: Determine disk size when not specified in static resources.
Date Sun, 18 Sep 2016 16:55:14 GMT

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(Updated Sept. 18, 2016, 4:55 p.m.)

Review request for mesos and Jiang Yan Xu.


Refactored the original change into multiple RRs (see comments) and rebased.

Bugs: MESOS-6062

Repository: mesos

Description (updated)

When static resources indicate disks with a positive size, we use that
for the disk resources on the agent. However, --resources can include
disks with size of 0, which indicates that mesos agent determine the
size of those disks from the host and uses that information instead.
Note that this is not allowed for PATH disks since PATH disks can be
carved into smaller chunks and we cannot assume that the whole
physical disk is available to the PATH disk.

With this change, JSON or textual representation for disk resources
that specify scalar value of 0 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 in JSON or textual formats
still results in an invalid resource.

Diffs (updated)

  src/slave/containerizer/containerizer.hpp f13669d0dfc4ce3287cfe630cabd0470dc765b51 
  src/slave/containerizer/containerizer.cpp d46882baa904fd439bffb23c324828b777228f1c 



Tests passed.


Anindya Sinha

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