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src/slave/containerizer/mesos/isolators/network/ports.cpp Lines 66-67 (patched) <https://reviews.apache.org/r/60496/#comment259205> Usually when we define a `xxxProcess` class, we want it to do some works asynchronously, and we need an actor class (e.g., `NetworkPortsCollector`) for it. But in your case, it seems the only thing that `NetworkPortsCollectorProcess` does is to provide a helper method `collect()`. So I think we may not need this class, instead we could move the code of its `collect()` method to `NetworkPortsIsolatorProcess::check()`. src/slave/containerizer/mesos/isolators/network/ports.cpp Lines 350 (patched) <https://reviews.apache.org/r/60496/#comment259203> Kill this empty line. src/slave/containerizer/mesos/isolators/network/ports.cpp Lines 362 (patched) <https://reviews.apache.org/r/60496/#comment259204> I see you put the actual used resources (i.e. unallocated ports) here, however I am a bit confused if we should do it or should put the requested resources (allocated ports) here. In `PosixDiskIsolatorProcess::_collect()`, it seems we use the requested resource (disk quota), but in `MemorySubsystem::oomWaited()`, it seems we use the actual used resources. I think what you did here is correct, so we may need to update the code of `PosixDiskIsolatorProcess::_collect()`? - Qian Zhang On Aug. 18, 2017, 1:36 a.m., James Peach wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/60496/ > ----------------------------------------------------------- > > (Updated Aug. 18, 2017, 1:36 a.m.) > > > Review request for mesos, Qian Zhang and Jiang Yan Xu. > > > Bugs: MESOS-7675 > https://issues.apache.org/jira/browse/MESOS-7675 > > > Repository: mesos > > > Description > ------- > > Implemented ports resource restrictions in the network ports isolator. > Periodically, scan for listening sockets and match them up to all > the open sockets in the containers we are tracking in the network. > Check any sockets we find against the ports resource and trigger a > resource limitation if the port has not been allocated. > > > Diffs > ----- > > src/slave/containerizer/mesos/isolators/network/ports.hpp PRE-CREATION > src/slave/containerizer/mesos/isolators/network/ports.cpp PRE-CREATION > > > Diff: https://reviews.apache.org/r/60496/diff/11/ > > > Testing > ------- > > make check (Fedora 26) > > > Thanks, > > James Peach > >