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From "Alexander Rukletsov" <ruklet...@gmail.com>
Subject Re: Review Request 38110: Quota: Checked sanity of quota set requests.
Date Mon, 09 Nov 2015 13:01:45 GMT


> On Nov. 3, 2015, 5:52 a.m., Guangya Liu wrote:
> > src/master/quota_handler.cpp, lines 159-186
> > <https://reviews.apache.org/r/38110/diff/10/?file=1114101#file1114101line159>
> >
> >     How to handle the following cases? Say two roles request quota: r1 and r2.
> >     
> >     When r1 request quota as 5, the availableInCluster is 10 and r1 set quota succeed.
> >     
> >     When r2 request quota as 7 again, the availableInCluster is still 10 as no one
used resources in the cluster, so r2 set quota also succeed.
> >     
> >     But now the quota for r1 and r2 is 12 which exceeds 10, is this a valid case?
Thanks.

This is a sanity check, the precise bookkeeping and quota allocation is done by an allocator
module.


- Alexander


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On Nov. 5, 2015, 7:29 p.m., Alexander Rukletsov wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/38110/
> -----------------------------------------------------------
> 
> (Updated Nov. 5, 2015, 7:29 p.m.)
> 
> 
> Review request for mesos, Bernd Mathiske, Joerg Schad, Joris Van Remoortere, Joseph Wu,
and Michael Park.
> 
> 
> Bugs: MESOS-3074
>     https://issues.apache.org/jira/browse/MESOS-3074
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> Performs a check whether a quota request is reasonable and can be satisfied at the moment.
A precise answer is impossible here, but a sanity check is still helpful, because it allows
us to filter knowingly unsatisfiable requests.
> 
> 
> Diffs
> -----
> 
>   src/master/master.hpp 3aa7017287506938d77bbfb1e06f510101009ee3 
>   src/master/quota_handler.cpp PRE-CREATION 
> 
> Diff: https://reviews.apache.org/r/38110/diff/
> 
> 
> Testing
> -------
> 
> make check (Mac OS X 10.10.4)
> 
> 
> Thanks,
> 
> Alexander Rukletsov
> 
>


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