> On Jan. 9, 2018, 8:12 a.m., Jie Yu wrote:
> > src/slave/slave.cpp
> > Lines 2795-2829 (patched)
> > <https://reviews.apache.org/r/64978/diff/2/?file=1934306#file1934306line2799>
> >
> >     I am flying by. I am wondering if we should add this logic to 
> > `Executor::addLaunchedTask` and `Executor::recoverTask`?
> 
> Qian Zhang wrote:
>     It is already in `Executor::recoverTask`. For 
> `Executor::addLaunchedTask`, yeah, we can move it there, but 
> `Executor::addLaunchedTask` is called in `Slave::___run` for both task and 
> task group, I'd prefer to minimize the impact to task but only focus on task 
> group. So I think it's better to keep `Executor::addLaunchedTask` as simple 
> as it is.

Second thought, we can check if it is default executor before doing the attach, 
so it should be OK for both task and task group. I will move it there later.


- Qian


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On Jan. 9, 2018, 10:11 p.m., Qian Zhang wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/64978/
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> 
> (Updated Jan. 9, 2018, 10:11 p.m.)
> 
> 
> Review request for mesos, Benjamin Mahler, Gilbert Song, Jie Yu, and Vinod 
> Kone.
> 
> 
> Bugs: MESOS-8279
>     https://issues.apache.org/jira/browse/MESOS-8279
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> In MESOS-7225, we made a task can access any volumes specified in its
> disk resources from its own sandbox by introducing a workaround to the
> default executor, i.e., add a `SANDBOX_PATH` volume with type `PARENT`
> to the corresponding nested container. It will be translated into a bind
> mount in the nested container's mount namespace, thus not visible in the
> host mount namespace, that means the task's volume directory can not be
> visible in Mesos UI since it operates in the host mount namespace.
> 
> In this patch, to make the task's volume directory visible in Mesos UI,
> we attached the executor's volume directory to it, so when users browse
> task's volume directory in Mesos UI, what they actually browse is the
> executor's volume directory. Note when calling `Files::attach()`, the
> third argument `authorized` is not specified, that is because it is
> already specified when we do the attach for the executor's sandbox and
> it is also applied to the executor's tasks.
> 
> 
> Diffs
> -----
> 
>   src/slave/slave.cpp aeb0fdaeda78f26de2ec790735bfa88c5be72850 
> 
> 
> Diff: https://reviews.apache.org/r/64978/diff/3/
> 
> 
> Testing
> -------
> 
> sudo make check
> 
> 
> Thanks,
> 
> Qian Zhang
> 
>

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