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(Updated April 5, 2016, 10:59 p.m.) Review request for mesos, Jie Yu and Jiang Yan Xu. Changes ------- Rebased and addresses review comments. Bugs: MESOs-4828 https://issues.apache.org/jira/browse/MESOs-4828 Repository: mesos Description ------- Track sandbox directory usage by dynamically assigning XFS project quotas. We track a range of XFS project IDs, assigning a project ID and a project quota to each sandbox as it is created. When the task reaches the quota, writes will fail with EDQUOT, and the task will have an opportunity to handle that. Quotas are not applied to volume resources since the isolator interface has no insight into the volume lifecycle. Thus it is not currently possible to accurately assign and reclaim project IDs. If LOW is the lower bound of the project ID range and HIGH is the upper bound, you can show the currently allocated project quotas using the xfs_quota command: $ xfs_quota -x -c "report -a -n -L LOW -U HIGH" To show the project ID assigned to the file PATH, use the xfs_io command: $ xfs_io -r -c stat PATH Diffs (updated) ----- src/Makefile.am f22ae5b3bd9336a56c802e0e51d39d6cb675caf2 src/slave/containerizer/mesos/containerizer.cpp a5dd22380066aa85de04d485052084e2629681c0 src/slave/containerizer/mesos/isolators/xfs/disk.hpp PRE-CREATION src/slave/containerizer/mesos/isolators/xfs/disk.cpp PRE-CREATION src/slave/containerizer/mesos/isolators/xfs/utils.hpp PRE-CREATION src/slave/containerizer/mesos/isolators/xfs/utils.cpp PRE-CREATION src/slave/flags.hpp d0c606eea74e1a2e69067c43a267047e65a22a04 src/slave/flags.cpp 0551ec334c6747507bf7bb068d27d67f3fdd6c83 Diff: https://reviews.apache.org/r/44948/diff/ Testing ------- Make check. Manual testing. Tests in subsequent patches. Thanks, James Peach