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From Chun-Hung Hsiao <>
Subject Re: Review Request 70132: Do not implicitly decline speculatively converted resources.
Date Wed, 24 Apr 2019 02:02:36 GMT

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(Updated April 24, 2019, 2:02 a.m.)

Review request for mesos, Benjamin Bannier, Benjamin Mahler, and Meng Zhu.


Addressed some of Benjamin's comments and added examples.

Bugs: MESOS-9616

Repository: mesos


Currently if a framework accepts an offer to perform pipelined
operations, e.g., reserving resource, without a final consumer, the
converted resources will be implicitly declined. This is an undesired
behavior as the framework might want to reserve one resource first but
launch a task later in the next allocation cycle. This patch fixes this

But, if the framework accepts an offers with multiple operations that
cancel out each other, the resources consumed by these operations are
still considered unused and will be declined.

Diffs (updated)

  docs/ a5327c229142267836f327f9c382ef50b7e334db 
  src/master/master.cpp ad54ae217863a08f4e6d743b39c176b171353084 
  src/tests/slave_tests.cpp b1c3a01031b917fb9773c8c890a8f88838870559 



Testing (updated)

make check

More testing done in r/70537.


Chun-Hung Hsiao

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