> On 一月 13, 2016, 11:41 a.m., Alexander Rukletsov wrote:
> > src/master/allocator/mesos/hierarchical.cpp, lines 1164-1166
> > <https://reviews.apache.org/r/41769/diff/2/?file=1180221#file1180221line1164>
> >
> >     This looks like a bug to me. I can't remember why we have `break` here 
> > in the first place. Could you please elaborate why do you think `break` is 
> > fine here?
> 
> Guangya Liu wrote:
>     It is a bit tricky here so I add some comments here even though I prefer 
> we use `continue` here.
>     
>     The reason that it is OK to use `break` is because all of the quota roles 
> are sorted based on starvation, if the roles in quota role sorter is 
> satisfied, we can assume that all roles behind current satisfied role is also 
> satisfied, that's why `break` here. Comments?
> 
> Alexander Rukletsov wrote:
>     I'm not sure it's right. Roles are sorted according to their allocation, 
> hence a role with quota 5 and allocation 5 will come before role with quota 
> 50 and allocation 10. I believe `continue` should be used here. Also imagine 
> a custom sorter is used, which does not guarantee any ordering.
>     
>     Anyway, I've checked all the tests we have and it seems there is no test 
> where we set quotas for multiple roles. Do you want to add such test or 
> expand an existing one? Also we may want to add some tests around implicit 
> roles and cover the other issue you fix in this test. There is a ticket for 
> this already: MESOS-4292. We have to figure out what exactly we want to test 
> and sync with NeilC.
>     
>     I'd be happy to help out and review, this looks like a bug! 
>     
>     Could you please also keep Joris and Qian Zhang in the loop? Thanks!

Yes, you are right, I think that here still should use `continue` here. Will 
try to add a new test cases for this.


- Guangya


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On 十二月 31, 2015, 11:34 p.m., Guangya Liu wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/41769/
> -----------------------------------------------------------
> 
> (Updated 十二月 31, 2015, 11:34 p.m.)
> 
> 
> Review request for mesos, Alexander Rukletsov, Klaus Ma, and Neil Conway.
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> Made allocator traverse all roles for quota allocation.
> 
> 
> Diffs
> -----
> 
>   src/master/allocator/mesos/hierarchical.cpp 
> 7f900c4e024485704d79e57ae22407557598fe6c 
> 
> Diff: https://reviews.apache.org/r/41769/diff/
> 
> 
> Testing
> -------
> 
> make
> make check
> 
> 
> Thanks,
> 
> Guangya Liu
> 
>

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