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Patch looks great!

Reviews applied: [66001]

Passed command: export OS='ubuntu:14.04' BUILDTOOL='autotools' COMPILER='gcc' 
CONFIGURATION='--verbose --disable-libtool-wrappers' ENVIRONMENT='GLOG_v=1 
MESOS_VERBOSE=1'; ./support/docker-build.sh

- Mesos Reviewbot


On March 13, 2018, 1:45 p.m., Harold Dost wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/66001/
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> 
> (Updated March 13, 2018, 1:45 p.m.)
> 
> 
> Review request for mesos and James Peach.
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> New Flags for disk/xfs isolator
> - This patch adds a number of flags to handle switching the limit in the
>   `disk/xfs` isolator to allow apps to go over their limit and for mesos
> to kill them if they have gone over their limit.
> 
> New Flags:
> - xfs_disk_hard_limit_offset_pct - Use the `disk` as the soft limit and
>   set the hard limit to be some percentage above the soft limit.
> Allowing
>   for containers to surpass a desired allocation and making them
> killable.
> - xfs_disk_hard_limit_offset - Use the `disk` as the soft limit and set
>   the hard limit to some number of bytes specified above the
>   applications to be a soft limit instead of a hard limit.
> - xfs_kill_after_grace_period - This will kill tasks if they breach the
>   grace period configured using `xfs_quota -x -c "timer -p <time>"`
> - xfs_kill_check_interval - The frequency with which a container will be
>   checked for soft limit violations.
> 
> Functionality
> - Add head room to the hard limit as a percentage or specified amount
>   for each container. This is specified at a flag level and not
>   customizable on a per container basis.
> - Provide the ability for an application to be killed after the
>   configured grace period for projects is violated.
> - Add an interval between which the watcher will check for violations.
> 
> 
> Diffs
> -----
> 
>   src/slave/containerizer/mesos/isolators/xfs/disk.hpp 
> 07e68a777aefba4dd35066f2eb207bba7f199d83 
>   src/slave/containerizer/mesos/isolators/xfs/disk.cpp 
> 8d9f8f846866f9de377c59cb7fb311041283ba70 
>   src/slave/containerizer/mesos/isolators/xfs/utils.hpp 
> e034133629a9c1cf58b776f8da2a93421332cee0 
>   src/slave/containerizer/mesos/isolators/xfs/utils.cpp 
> 2708524add1ff693b616d4fb241c4a0a3070520b 
>   src/slave/flags.hpp 0c67bf214ceb93ae7ff088bec2648fa26ddac59e 
>   src/slave/flags.cpp 943aaaf58b5f36555f0902019b8c5c6522ab7afc 
> 
> 
> Diff: https://reviews.apache.org/r/66001/diff/2/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Harold Dost
> 
>

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