> On June 26, 2017, 6:08 a.m., Ilya Pronin wrote:
> > src/slave/containerizer/mesos/isolators/network/port_mapping.cpp
> > Lines 2209-2210 (original), 2301-2302 (patched)
> > <https://reviews.apache.org/r/59294/diff/2-4/?file=1731976#file1731976line2339>
> >
> >     Do we expect the helper to hang? Is this a safeguard for the new code 
> > deployment?

Nope, it's not expected to hang but the 10 second timeout is indeed a safety 
check in case something is amiss. This method is only used during recovery and 
in tests.


> On June 26, 2017, 6:08 a.m., Ilya Pronin wrote:
> > src/slave/containerizer/mesos/isolators/network/port_mapping.cpp
> > Lines 4315-4317 (patched)
> > <https://reviews.apache.org/r/59294/diff/2-4/?file=1731976#file1731976line4376>
> >
> >     If we set `ceil` low, it will prevent heavy CPU users' from bursting. 
> > Wouldn't it be more flexible to make `egress_ceil_limit` flag additive 
> > instead of absolute?

Additive burst makes it more complicated as you need to at least min(rate + 
ceil, max) or scale ceil with cpu as well. Instead, I think it's simpler to 
scale rate by cpu and burst naturally becomes progressively less useful for 
higher cpu.


- Ian


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On June 21, 2017, 1:48 p.m., Ian Downes wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/59294/
> -----------------------------------------------------------
> 
> (Updated June 21, 2017, 1:48 p.m.)
> 
> 
> Review request for mesos, Dmitry Zhuk, Ilya Pronin, and Jie Yu.
> 
> 
> Bugs: MESOS-7508
>     https://issues.apache.org/jira/browse/MESOS-7508
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> Add support to isolators/port_mapping for optionally scaling egress bandwidth 
> with CPU and with minimum and maximum limits.
> 
> 
> Diffs
> -----
> 
>   include/mesos/mesos.proto e2502acc3542d64c2b2b13f8c0363a3c8372e20e 
>   src/slave/containerizer/mesos/isolators/network/helper.cpp 
> 4ed879dca42f85fc9dd7638e763822cf10fa8405 
>   src/slave/containerizer/mesos/isolators/network/port_mapping.hpp 
> 9d38289c7161d5e931053b587d115684ccc44c94 
>   src/slave/containerizer/mesos/isolators/network/port_mapping.cpp 
> cd008aaebcd42554a9a81d2b059269546f59c966 
>   src/slave/flags.hpp e75c1b4227b443aedf445921b3f2108d930c112c 
>   src/slave/flags.cpp c84aa6724170bba46b4444be8410b71d42a1626e 
>   src/tests/containerizer/port_mapping_tests.cpp 
> 16e015a8ac53a4aa5336b60c40228720b5f6910a 
> 
> 
> Diff: https://reviews.apache.org/r/59294/diff/4/
> 
> 
> Testing
> -------
> 
> # added a new test 
> $ make check
> 
> 
> Thanks,
> 
> Ian Downes
> 
>

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