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(Updated Oct. 5, 2018, 4:30 p.m.) Review request for mesos, Greg Mann, Jie Yu, Meng Zhu, Qian Zhang, and Vinod Kone. Bugs: MESOS-9295 https://issues.apache.org/jira/browse/MESOS-9295 Repository: mesos Description (updated) ------- If there are new cgroup subsystems are added after the agent upgrad or recovery, new nested container launched under old containers that are launched before the recovery would fail, because it cannot assign its pid to the non-existed cgroup hierarchy. We should skip those new cgroup subsystems for nested containers under old containers. Diffs (updated) ----- src/slave/containerizer/mesos/isolators/cgroups/cgroups.cpp 11dfbab182487c45fa494c41e31f777272b4b5d0 Diff: https://reviews.apache.org/r/68929/diff/2/ Changes: https://reviews.apache.org/r/68929/diff/1-2/ Testing ------- make check Thanks, Gilbert Song