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From Anindya Sinha <anindya_si...@apple.com>
Subject Re: Review Request 45959: Support arithmetic operations for shared resources with consumer counts.
Date Fri, 29 Jul 2016 17:45:34 GMT


> On July 20, 2016, 2:36 a.m., Klaus Ma wrote:
> > src/common/resources.cpp, lines 308-316
> > <https://reviews.apache.org/r/45959/diff/8/?file=1447680#file1447680line308>
> >
> >     I think we can check name,type, role firstly, then check SharedInfo.

Although I updated it based on your comment, I think it was not needed since `left == right`
does those checks. I will revert it in the next update.


- Anindya


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https://reviews.apache.org/r/45959/#review142892
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On July 28, 2016, 10:42 p.m., Anindya Sinha wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/45959/
> -----------------------------------------------------------
> 
> (Updated July 28, 2016, 10:42 p.m.)
> 
> 
> Review request for mesos, Benjamin Mahler, Joris Van Remoortere, and Jiang Yan Xu.
> 
> 
> Bugs: MESOS-4892
>     https://issues.apache.org/jira/browse/MESOS-4892
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> A new class Resource_ is added that allows 'Resources' to group
> identical shared resource objects together into a single 'Resource_'
> object and tracked by its shared count. Non-shared resource objects
> are not grouped.
> 
> For resource addition and subtraction, the shared count is adjusted for
> shared resources as follows:
> a) Addition: If shared resource is absent from original, then the
>    resource is added initialized with a consumer count of 1. Otherwise,
>    the share count for the shared resource is incremented.
> b) Subtraction: If shared resource's share count is already 1, then
>    the shared resource is removed from the original. Otherwise, its
>    consumer count is decremented.
> 
> Note that v1 changes for shared resources are in the next commit.
> 
> 
> Diffs
> -----
> 
>   include/mesos/resources.hpp 88a9feabf66ed34e7e5b1c6cb7e831818e7f7883 
>   src/common/resources.cpp 3dbff24d6859d3b1ed8589cec50170a5202cfbcb 
>   src/master/validation.cpp 52002beac29c371411348cb026a216e99ac96ab2 
>   src/tests/mesos.hpp 51c66f175c80ebacd5af230222ea7e4c81dfc1e8 
>   src/tests/resources_tests.cpp 4111e080b84079e100b731c9a56861b204f17388 
> 
> Diff: https://reviews.apache.org/r/45959/diff/
> 
> 
> Testing
> -------
> 
> New tests added to demonstrate arithmetic operations for shared resources with consumer
counts.
> Tests successful.
> 
> 
> Thanks,
> 
> Anindya Sinha
> 
>


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