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From Benjamin Mahler <bmah...@apache.org>
Subject Re: Review Request 67274: Rejected non-zero scalar resource values which be represented as zero.
Date Wed, 30 May 2018 18:17:48 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/67274/#review204060
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src/common/resources.cpp
Lines 866-868 (original), 875-883 (patched)
<https://reviews.apache.org/r/67274/#comment286453>

    Can we reject 0? We were previously allowing it?


- Benjamin Mahler


On May 28, 2018, 3:11 p.m., Benjamin Bannier wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/67274/
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> 
> (Updated May 28, 2018, 3:11 p.m.)
> 
> 
> Review request for mesos, Jie Yu, Joris Van Remoortere, Michael Park, and Neil Conway.
> 
> 
> Bugs: MESOS-8945
>     https://issues.apache.org/jira/browse/MESOS-8945
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> Internally values of scalar resources are stored in a fixed point
> representation. This can lead to (expected) precision loss.
> 
> This patch adds resource validation ensuring that values of scalar
> resources are either zero or large enough so that they are still
> represented as non-zero values after conversion to the internal fixed
> point format.
> 
> While this patch should not change valid, intended use cases, it might
> change the behavior for erroneous, already broken framework workflows.
> 
> 
> Diffs
> -----
> 
>   src/common/resources.cpp 192d086e60b81c0ae8e26d4120beee2034f63d3e 
>   src/tests/resources_tests.cpp 1201efec3ff0abc268f896c1fe2330571390b3fd 
> 
> 
> Diff: https://reviews.apache.org/r/67274/diff/4/
> 
> 
> Testing
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> 
> `make check`
> 
> 
> Thanks,
> 
> Benjamin Bannier
> 
>


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