[jira] [Created] (MESOS-3433) Unmount work dir and persistent volume mounts of other containers in the new mount namespace.

["Yan Xu (JIRA)" <ji...@apache.org>]

Yan Xu created MESOS-3433:
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             Summary: Unmount work dir and persistent volume mounts of other containers in the new mount namespace.
                 Key: MESOS-3433
                 URL: https://issues.apache.org/jira/browse/MESOS-3433
             Project: Mesos
          Issue Type: Task
            Reporter: Yan Xu


As described in this [TODO|https://github.com/apache/mesos/blob/e601e469c64594dd8339352af405cbf26a574ea8/src/slave/containerizer/isolators/filesystem/linux.cpp#L418]:
{noformat:title=}
  // TODO(jieyu): Try to unmount work directory mounts and persistent
  // volume mounts for other containers to release the extra
  // references to those mounts.
{noformat}

This will a best effort attempt to alleviate the race condition between provisioner's container cleanup and new containers copying host mount table.



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