> On May 11, 2018, 12:05 p.m., James DeFelice wrote:
> > src/resource_provider/storage/uri_disk_profile_adaptor.cpp
> > Line 281 (original)
> > <https://reviews.apache.org/r/67078/diff/1/?file=2019745#file2019745line281>
> >
> >     this seems like a pretty aggressive change. instead of removing the 
> > attempted optimization completely, why not fix it instead?
> >     
> >     IMO it seems like it would be cheaper to do an equivalence check here 
> > and skip the subsequent notifications if nothing has changed. we don't 
> > expect profiles to change very frequently.

The equivalence operation for proto messages does not come for free in C++, and 
we need to either use the `MessageDifferencer` or define it by ourselves. Since 
this needs to be backported I'd like to make the patch as simple as possible. 
Dropping this issue.


- Chun-Hung


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On May 11, 2018, 3:32 a.m., Chun-Hung Hsiao wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/67078/
> -----------------------------------------------------------
> 
> (Updated May 11, 2018, 3:32 a.m.)
> 
> 
> Review request for mesos, James DeFelice, Jie Yu, and Joseph Wu.
> 
> 
> Bugs: MESOS-8906
>     https://issues.apache.org/jira/browse/MESOS-8906
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> Made `UriDiskProfileAdaptor` be able to update profile selectors.
> 
> 
> Diffs
> -----
> 
>   src/resource_provider/storage/uri_disk_profile_adaptor.cpp 
> 300ea12687de487737ce91066ab4e74d9b3430e6 
> 
> 
> Diff: https://reviews.apache.org/r/67078/diff/1/
> 
> 
> Testing
> -------
> 
> sudo make check
> 
> 
> Thanks,
> 
> Chun-Hung Hsiao
> 
>

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