[jira] [Updated] (MESOS-3949) User CGroup Isolation tests fail on Centos 6.

2015-11-23 Thread Marco Massenzio (JIRA)

 [ 
https://issues.apache.org/jira/browse/MESOS-3949?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Marco Massenzio updated MESOS-3949:
---
Story Points: 3

> User CGroup Isolation tests fail on Centos 6.
> -
>
> Key: MESOS-3949
> URL: https://issues.apache.org/jira/browse/MESOS-3949
> Project: Mesos
>  Issue Type: Bug
>  Components: isolation
>Affects Versions: 0.26.0
> Environment: CentOS 6.6, gcc 4.8.1, on vagrant libvirt, 16GB, 8 CPUs,
> ../configure --enable-libevent --enable-ssl
>Reporter: Bernd Mathiske
>Assignee: Alexander Rojas
>  Labels: mesosphere
>
> UserCgroupIsolatorTest/0.ROOT_CGROUPS_UserCgroup and 
> UserCgroupIsolatorTest/1.ROOT_CGROUPS_UserCgroup fail on CentOS 6.6 with 
> similar output when libevent and SSL are enabled.
> {noformat}
> sudo ./bin/mesos-tests.sh 
> --gtest_filter="UserCgroupIsolatorTest/0.ROOT_CGROUPS_UserCgroup" --verbose
> {noformat}
> {noformat}
> [==] Running 1 test from 1 test case.
> [--] Global test environment set-up.
> [--] 1 test from UserCgroupIsolatorTest/0, where TypeParam = 
> mesos::internal::slave::CgroupsMemIsolatorProcess
> userdel: user 'mesos.test.unprivileged.user' does not exist
> [ RUN  ] UserCgroupIsolatorTest/0.ROOT_CGROUPS_UserCgroup
> I1118 16:53:35.273717 30249 mem.cpp:605] Started listening for OOM events for 
> container 867a829e-4a26-43f5-86e0-938bf1f47688
> I1118 16:53:35.274538 30249 mem.cpp:725] Started listening on low memory 
> pressure events for container 867a829e-4a26-43f5-86e0-938bf1f47688
> I1118 16:53:35.275164 30249 mem.cpp:725] Started listening on medium memory 
> pressure events for container 867a829e-4a26-43f5-86e0-938bf1f47688
> I1118 16:53:35.275784 30249 mem.cpp:725] Started listening on critical memory 
> pressure events for container 867a829e-4a26-43f5-86e0-938bf1f47688
> I1118 16:53:35.276448 30249 mem.cpp:356] Updated 'memory.soft_limit_in_bytes' 
> to 1GB for container 867a829e-4a26-43f5-86e0-938bf1f47688
> I1118 16:53:35.277331 30249 mem.cpp:391] Updated 'memory.limit_in_bytes' to 
> 1GB for container 867a829e-4a26-43f5-86e0-938bf1f47688
> -bash: 
> /sys/fs/cgroup/memory/mesos/867a829e-4a26-43f5-86e0-938bf1f47688/cgroup.procs:
>  No such file or directory
> mkdir: cannot create directory 
> `/sys/fs/cgroup/memory/mesos/867a829e-4a26-43f5-86e0-938bf1f47688/user': No 
> such file or directory
> ../../src/tests/containerizer/isolator_tests.cpp:1307: Failure
> Value of: os::system( "su - " + UNPRIVILEGED_USERNAME + " -c 'mkdir " + 
> path::join(flags.cgroups_hierarchy, userCgroup) + "'")
>   Actual: 256
> Expected: 0
> -bash: 
> /sys/fs/cgroup/memory/mesos/867a829e-4a26-43f5-86e0-938bf1f47688/user/cgroup.procs:
>  No such file or directory
> ../../src/tests/containerizer/isolator_tests.cpp:1316: Failure
> Value of: os::system( "su - " + UNPRIVILEGED_USERNAME + " -c 'echo $$ >" + 
> path::join(flags.cgroups_hierarchy, userCgroup, "cgroup.procs") + "'")
>   Actual: 256
> Expected: 0
> [  FAILED  ] UserCgroupIsolatorTest/0.ROOT_CGROUPS_UserCgroup, where 
> TypeParam = mesos::internal::slave::CgroupsMemIsolatorProcess (149 ms)
> {noformat}
> {noformat}
> sudo ./bin/mesos-tests.sh 
> --gtest_filter="UserCgroupIsolatorTest/1.ROOT_CGROUPS_UserCgroup" --verbose
> {noformat}
> {noformat}
> [==] Running 1 test from 1 test case.
> [--] Global test environment set-up.
> [--] 1 test from UserCgroupIsolatorTest/1, where TypeParam = 
> mesos::internal::slave::CgroupsCpushareIsolatorProcess
> userdel: user 'mesos.test.unprivileged.user' does not exist
> [ RUN  ] UserCgroupIsolatorTest/1.ROOT_CGROUPS_UserCgroup
> I1118 17:01:00.550706 30357 cpushare.cpp:392] Updated 'cpu.shares' to 1024 
> (cpus 1) for container e57f4343-1a97-4b44-b347-803be47ace80
> -bash: 
> /sys/fs/cgroup/cpuacct/mesos/e57f4343-1a97-4b44-b347-803be47ace80/cgroup.procs:
>  No such file or directory
> mkdir: cannot create directory 
> `/sys/fs/cgroup/cpuacct/mesos/e57f4343-1a97-4b44-b347-803be47ace80/user': No 
> such file or directory
> ../../src/tests/containerizer/isolator_tests.cpp:1307: Failure
> Value of: os::system( "su - " + UNPRIVILEGED_USERNAME + " -c 'mkdir " + 
> path::join(flags.cgroups_hierarchy, userCgroup) + "'")
>   Actual: 256
> Expected: 0
> -bash: 
> /sys/fs/cgroup/cpuacct/mesos/e57f4343-1a97-4b44-b347-803be47ace80/user/cgroup.procs:
>  No such file or directory
> ../../src/tests/containerizer/isolator_tests.cpp:1316: Failure
> Value of: os::system( "su - " + UNPRIVILEGED_USERNAME + " -c 'echo $$ >" + 
> path::join(flags.cgroups_hierarchy, userCgroup, "cgroup.procs") + "'")
>   Actual: 256
> Expected: 0
> -bash: 
> /sys/fs/cgroup/cpu/mesos/e57f4343-1a97-4b44-b347-803be47ace80/cgroup.procs: 
> No such file or directory
> mkdir: cannot create directory 
> 

[jira] [Updated] (MESOS-3949) User CGroup Isolation tests fail on Centos 6.

2015-11-23 Thread Bernd Mathiske (JIRA)

 [ 
https://issues.apache.org/jira/browse/MESOS-3949?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Bernd Mathiske updated MESOS-3949:
--
Assignee: Alexander Rojas  (was: Timothy Chen)

> User CGroup Isolation tests fail on Centos 6.
> -
>
> Key: MESOS-3949
> URL: https://issues.apache.org/jira/browse/MESOS-3949
> Project: Mesos
>  Issue Type: Bug
>  Components: isolation
>Affects Versions: 0.26.0
> Environment: CentOS 6.6, gcc 4.8.1, on vagrant libvirt, 16GB, 8 CPUs,
> ../configure --enable-libevent --enable-ssl
>Reporter: Bernd Mathiske
>Assignee: Alexander Rojas
>  Labels: mesosphere
>
> UserCgroupIsolatorTest/0.ROOT_CGROUPS_UserCgroup and 
> UserCgroupIsolatorTest/1.ROOT_CGROUPS_UserCgroup fail on CentOS 6.6 with 
> similar output when libevent and SSL are enabled.
> {noformat}
> sudo ./bin/mesos-tests.sh 
> --gtest_filter="UserCgroupIsolatorTest/0.ROOT_CGROUPS_UserCgroup" --verbose
> {noformat}
> {noformat}
> [==] Running 1 test from 1 test case.
> [--] Global test environment set-up.
> [--] 1 test from UserCgroupIsolatorTest/0, where TypeParam = 
> mesos::internal::slave::CgroupsMemIsolatorProcess
> userdel: user 'mesos.test.unprivileged.user' does not exist
> [ RUN  ] UserCgroupIsolatorTest/0.ROOT_CGROUPS_UserCgroup
> I1118 16:53:35.273717 30249 mem.cpp:605] Started listening for OOM events for 
> container 867a829e-4a26-43f5-86e0-938bf1f47688
> I1118 16:53:35.274538 30249 mem.cpp:725] Started listening on low memory 
> pressure events for container 867a829e-4a26-43f5-86e0-938bf1f47688
> I1118 16:53:35.275164 30249 mem.cpp:725] Started listening on medium memory 
> pressure events for container 867a829e-4a26-43f5-86e0-938bf1f47688
> I1118 16:53:35.275784 30249 mem.cpp:725] Started listening on critical memory 
> pressure events for container 867a829e-4a26-43f5-86e0-938bf1f47688
> I1118 16:53:35.276448 30249 mem.cpp:356] Updated 'memory.soft_limit_in_bytes' 
> to 1GB for container 867a829e-4a26-43f5-86e0-938bf1f47688
> I1118 16:53:35.277331 30249 mem.cpp:391] Updated 'memory.limit_in_bytes' to 
> 1GB for container 867a829e-4a26-43f5-86e0-938bf1f47688
> -bash: 
> /sys/fs/cgroup/memory/mesos/867a829e-4a26-43f5-86e0-938bf1f47688/cgroup.procs:
>  No such file or directory
> mkdir: cannot create directory 
> `/sys/fs/cgroup/memory/mesos/867a829e-4a26-43f5-86e0-938bf1f47688/user': No 
> such file or directory
> ../../src/tests/containerizer/isolator_tests.cpp:1307: Failure
> Value of: os::system( "su - " + UNPRIVILEGED_USERNAME + " -c 'mkdir " + 
> path::join(flags.cgroups_hierarchy, userCgroup) + "'")
>   Actual: 256
> Expected: 0
> -bash: 
> /sys/fs/cgroup/memory/mesos/867a829e-4a26-43f5-86e0-938bf1f47688/user/cgroup.procs:
>  No such file or directory
> ../../src/tests/containerizer/isolator_tests.cpp:1316: Failure
> Value of: os::system( "su - " + UNPRIVILEGED_USERNAME + " -c 'echo $$ >" + 
> path::join(flags.cgroups_hierarchy, userCgroup, "cgroup.procs") + "'")
>   Actual: 256
> Expected: 0
> [  FAILED  ] UserCgroupIsolatorTest/0.ROOT_CGROUPS_UserCgroup, where 
> TypeParam = mesos::internal::slave::CgroupsMemIsolatorProcess (149 ms)
> {noformat}
> {noformat}
> sudo ./bin/mesos-tests.sh 
> --gtest_filter="UserCgroupIsolatorTest/1.ROOT_CGROUPS_UserCgroup" --verbose
> {noformat}
> {noformat}
> [==] Running 1 test from 1 test case.
> [--] Global test environment set-up.
> [--] 1 test from UserCgroupIsolatorTest/1, where TypeParam = 
> mesos::internal::slave::CgroupsCpushareIsolatorProcess
> userdel: user 'mesos.test.unprivileged.user' does not exist
> [ RUN  ] UserCgroupIsolatorTest/1.ROOT_CGROUPS_UserCgroup
> I1118 17:01:00.550706 30357 cpushare.cpp:392] Updated 'cpu.shares' to 1024 
> (cpus 1) for container e57f4343-1a97-4b44-b347-803be47ace80
> -bash: 
> /sys/fs/cgroup/cpuacct/mesos/e57f4343-1a97-4b44-b347-803be47ace80/cgroup.procs:
>  No such file or directory
> mkdir: cannot create directory 
> `/sys/fs/cgroup/cpuacct/mesos/e57f4343-1a97-4b44-b347-803be47ace80/user': No 
> such file or directory
> ../../src/tests/containerizer/isolator_tests.cpp:1307: Failure
> Value of: os::system( "su - " + UNPRIVILEGED_USERNAME + " -c 'mkdir " + 
> path::join(flags.cgroups_hierarchy, userCgroup) + "'")
>   Actual: 256
> Expected: 0
> -bash: 
> /sys/fs/cgroup/cpuacct/mesos/e57f4343-1a97-4b44-b347-803be47ace80/user/cgroup.procs:
>  No such file or directory
> ../../src/tests/containerizer/isolator_tests.cpp:1316: Failure
> Value of: os::system( "su - " + UNPRIVILEGED_USERNAME + " -c 'echo $$ >" + 
> path::join(flags.cgroups_hierarchy, userCgroup, "cgroup.procs") + "'")
>   Actual: 256
> Expected: 0
> -bash: 
> /sys/fs/cgroup/cpu/mesos/e57f4343-1a97-4b44-b347-803be47ace80/cgroup.procs: 
> No such file or directory
> mkdir: cannot create directory 
> 

[jira] [Updated] (MESOS-3949) User CGroup Isolation tests fail on Centos 6.

2015-11-23 Thread Bernd Mathiske (JIRA)

 [ 
https://issues.apache.org/jira/browse/MESOS-3949?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Bernd Mathiske updated MESOS-3949:
--
Sprint: Mesosphere Sprint 23

> User CGroup Isolation tests fail on Centos 6.
> -
>
> Key: MESOS-3949
> URL: https://issues.apache.org/jira/browse/MESOS-3949
> Project: Mesos
>  Issue Type: Bug
>  Components: isolation
>Affects Versions: 0.26.0
> Environment: CentOS 6.6, gcc 4.8.1, on vagrant libvirt, 16GB, 8 CPUs,
> ../configure --enable-libevent --enable-ssl
>Reporter: Bernd Mathiske
>Assignee: Alexander Rojas
>  Labels: mesosphere
>
> UserCgroupIsolatorTest/0.ROOT_CGROUPS_UserCgroup and 
> UserCgroupIsolatorTest/1.ROOT_CGROUPS_UserCgroup fail on CentOS 6.6 with 
> similar output when libevent and SSL are enabled.
> {noformat}
> sudo ./bin/mesos-tests.sh 
> --gtest_filter="UserCgroupIsolatorTest/0.ROOT_CGROUPS_UserCgroup" --verbose
> {noformat}
> {noformat}
> [==] Running 1 test from 1 test case.
> [--] Global test environment set-up.
> [--] 1 test from UserCgroupIsolatorTest/0, where TypeParam = 
> mesos::internal::slave::CgroupsMemIsolatorProcess
> userdel: user 'mesos.test.unprivileged.user' does not exist
> [ RUN  ] UserCgroupIsolatorTest/0.ROOT_CGROUPS_UserCgroup
> I1118 16:53:35.273717 30249 mem.cpp:605] Started listening for OOM events for 
> container 867a829e-4a26-43f5-86e0-938bf1f47688
> I1118 16:53:35.274538 30249 mem.cpp:725] Started listening on low memory 
> pressure events for container 867a829e-4a26-43f5-86e0-938bf1f47688
> I1118 16:53:35.275164 30249 mem.cpp:725] Started listening on medium memory 
> pressure events for container 867a829e-4a26-43f5-86e0-938bf1f47688
> I1118 16:53:35.275784 30249 mem.cpp:725] Started listening on critical memory 
> pressure events for container 867a829e-4a26-43f5-86e0-938bf1f47688
> I1118 16:53:35.276448 30249 mem.cpp:356] Updated 'memory.soft_limit_in_bytes' 
> to 1GB for container 867a829e-4a26-43f5-86e0-938bf1f47688
> I1118 16:53:35.277331 30249 mem.cpp:391] Updated 'memory.limit_in_bytes' to 
> 1GB for container 867a829e-4a26-43f5-86e0-938bf1f47688
> -bash: 
> /sys/fs/cgroup/memory/mesos/867a829e-4a26-43f5-86e0-938bf1f47688/cgroup.procs:
>  No such file or directory
> mkdir: cannot create directory 
> `/sys/fs/cgroup/memory/mesos/867a829e-4a26-43f5-86e0-938bf1f47688/user': No 
> such file or directory
> ../../src/tests/containerizer/isolator_tests.cpp:1307: Failure
> Value of: os::system( "su - " + UNPRIVILEGED_USERNAME + " -c 'mkdir " + 
> path::join(flags.cgroups_hierarchy, userCgroup) + "'")
>   Actual: 256
> Expected: 0
> -bash: 
> /sys/fs/cgroup/memory/mesos/867a829e-4a26-43f5-86e0-938bf1f47688/user/cgroup.procs:
>  No such file or directory
> ../../src/tests/containerizer/isolator_tests.cpp:1316: Failure
> Value of: os::system( "su - " + UNPRIVILEGED_USERNAME + " -c 'echo $$ >" + 
> path::join(flags.cgroups_hierarchy, userCgroup, "cgroup.procs") + "'")
>   Actual: 256
> Expected: 0
> [  FAILED  ] UserCgroupIsolatorTest/0.ROOT_CGROUPS_UserCgroup, where 
> TypeParam = mesos::internal::slave::CgroupsMemIsolatorProcess (149 ms)
> {noformat}
> {noformat}
> sudo ./bin/mesos-tests.sh 
> --gtest_filter="UserCgroupIsolatorTest/1.ROOT_CGROUPS_UserCgroup" --verbose
> {noformat}
> {noformat}
> [==] Running 1 test from 1 test case.
> [--] Global test environment set-up.
> [--] 1 test from UserCgroupIsolatorTest/1, where TypeParam = 
> mesos::internal::slave::CgroupsCpushareIsolatorProcess
> userdel: user 'mesos.test.unprivileged.user' does not exist
> [ RUN  ] UserCgroupIsolatorTest/1.ROOT_CGROUPS_UserCgroup
> I1118 17:01:00.550706 30357 cpushare.cpp:392] Updated 'cpu.shares' to 1024 
> (cpus 1) for container e57f4343-1a97-4b44-b347-803be47ace80
> -bash: 
> /sys/fs/cgroup/cpuacct/mesos/e57f4343-1a97-4b44-b347-803be47ace80/cgroup.procs:
>  No such file or directory
> mkdir: cannot create directory 
> `/sys/fs/cgroup/cpuacct/mesos/e57f4343-1a97-4b44-b347-803be47ace80/user': No 
> such file or directory
> ../../src/tests/containerizer/isolator_tests.cpp:1307: Failure
> Value of: os::system( "su - " + UNPRIVILEGED_USERNAME + " -c 'mkdir " + 
> path::join(flags.cgroups_hierarchy, userCgroup) + "'")
>   Actual: 256
> Expected: 0
> -bash: 
> /sys/fs/cgroup/cpuacct/mesos/e57f4343-1a97-4b44-b347-803be47ace80/user/cgroup.procs:
>  No such file or directory
> ../../src/tests/containerizer/isolator_tests.cpp:1316: Failure
> Value of: os::system( "su - " + UNPRIVILEGED_USERNAME + " -c 'echo $$ >" + 
> path::join(flags.cgroups_hierarchy, userCgroup, "cgroup.procs") + "'")
>   Actual: 256
> Expected: 0
> -bash: 
> /sys/fs/cgroup/cpu/mesos/e57f4343-1a97-4b44-b347-803be47ace80/cgroup.procs: 
> No such file or directory
> mkdir: cannot create directory 
> 

[jira] [Updated] (MESOS-3949) User CGroup Isolation tests fail on Centos 6.

2015-11-20 Thread Bernd Mathiske (JIRA)

 [ 
https://issues.apache.org/jira/browse/MESOS-3949?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Bernd Mathiske updated MESOS-3949:
--
Assignee: Joris Van Remoortere

> User CGroup Isolation tests fail on Centos 6.
> -
>
> Key: MESOS-3949
> URL: https://issues.apache.org/jira/browse/MESOS-3949
> Project: Mesos
>  Issue Type: Bug
>  Components: isolation
>Affects Versions: 0.26.0
> Environment: CentOS 6.6, gcc 4.8.1, on vagrant libvirt, 16GB, 8 CPUs,
> ../configure --enable-libevent --enable-ssl
>Reporter: Bernd Mathiske
>Assignee: Joris Van Remoortere
>  Labels: mesosphere
>
> UserCgroupIsolatorTest/0.ROOT_CGROUPS_UserCgroup and 
> UserCgroupIsolatorTest/1.ROOT_CGROUPS_UserCgroup fail on CentOS 6.6 with 
> similar output when libevent and SSL are enabled.
> {noformat}
> sudo ./bin/mesos-tests.sh 
> --gtest_filter="UserCgroupIsolatorTest/0.ROOT_CGROUPS_UserCgroup" --verbose
> {noformat}
> {noformat}
> [==] Running 1 test from 1 test case.
> [--] Global test environment set-up.
> [--] 1 test from UserCgroupIsolatorTest/0, where TypeParam = 
> mesos::internal::slave::CgroupsMemIsolatorProcess
> userdel: user 'mesos.test.unprivileged.user' does not exist
> [ RUN  ] UserCgroupIsolatorTest/0.ROOT_CGROUPS_UserCgroup
> I1118 16:53:35.273717 30249 mem.cpp:605] Started listening for OOM events for 
> container 867a829e-4a26-43f5-86e0-938bf1f47688
> I1118 16:53:35.274538 30249 mem.cpp:725] Started listening on low memory 
> pressure events for container 867a829e-4a26-43f5-86e0-938bf1f47688
> I1118 16:53:35.275164 30249 mem.cpp:725] Started listening on medium memory 
> pressure events for container 867a829e-4a26-43f5-86e0-938bf1f47688
> I1118 16:53:35.275784 30249 mem.cpp:725] Started listening on critical memory 
> pressure events for container 867a829e-4a26-43f5-86e0-938bf1f47688
> I1118 16:53:35.276448 30249 mem.cpp:356] Updated 'memory.soft_limit_in_bytes' 
> to 1GB for container 867a829e-4a26-43f5-86e0-938bf1f47688
> I1118 16:53:35.277331 30249 mem.cpp:391] Updated 'memory.limit_in_bytes' to 
> 1GB for container 867a829e-4a26-43f5-86e0-938bf1f47688
> -bash: 
> /sys/fs/cgroup/memory/mesos/867a829e-4a26-43f5-86e0-938bf1f47688/cgroup.procs:
>  No such file or directory
> mkdir: cannot create directory 
> `/sys/fs/cgroup/memory/mesos/867a829e-4a26-43f5-86e0-938bf1f47688/user': No 
> such file or directory
> ../../src/tests/containerizer/isolator_tests.cpp:1307: Failure
> Value of: os::system( "su - " + UNPRIVILEGED_USERNAME + " -c 'mkdir " + 
> path::join(flags.cgroups_hierarchy, userCgroup) + "'")
>   Actual: 256
> Expected: 0
> -bash: 
> /sys/fs/cgroup/memory/mesos/867a829e-4a26-43f5-86e0-938bf1f47688/user/cgroup.procs:
>  No such file or directory
> ../../src/tests/containerizer/isolator_tests.cpp:1316: Failure
> Value of: os::system( "su - " + UNPRIVILEGED_USERNAME + " -c 'echo $$ >" + 
> path::join(flags.cgroups_hierarchy, userCgroup, "cgroup.procs") + "'")
>   Actual: 256
> Expected: 0
> [  FAILED  ] UserCgroupIsolatorTest/0.ROOT_CGROUPS_UserCgroup, where 
> TypeParam = mesos::internal::slave::CgroupsMemIsolatorProcess (149 ms)
> {noformat}
> {noformat}
> sudo ./bin/mesos-tests.sh 
> --gtest_filter="UserCgroupIsolatorTest/1.ROOT_CGROUPS_UserCgroup" --verbose
> {noformat}
> {noformat}
> [==] Running 1 test from 1 test case.
> [--] Global test environment set-up.
> [--] 1 test from UserCgroupIsolatorTest/1, where TypeParam = 
> mesos::internal::slave::CgroupsCpushareIsolatorProcess
> userdel: user 'mesos.test.unprivileged.user' does not exist
> [ RUN  ] UserCgroupIsolatorTest/1.ROOT_CGROUPS_UserCgroup
> I1118 17:01:00.550706 30357 cpushare.cpp:392] Updated 'cpu.shares' to 1024 
> (cpus 1) for container e57f4343-1a97-4b44-b347-803be47ace80
> -bash: 
> /sys/fs/cgroup/cpuacct/mesos/e57f4343-1a97-4b44-b347-803be47ace80/cgroup.procs:
>  No such file or directory
> mkdir: cannot create directory 
> `/sys/fs/cgroup/cpuacct/mesos/e57f4343-1a97-4b44-b347-803be47ace80/user': No 
> such file or directory
> ../../src/tests/containerizer/isolator_tests.cpp:1307: Failure
> Value of: os::system( "su - " + UNPRIVILEGED_USERNAME + " -c 'mkdir " + 
> path::join(flags.cgroups_hierarchy, userCgroup) + "'")
>   Actual: 256
> Expected: 0
> -bash: 
> /sys/fs/cgroup/cpuacct/mesos/e57f4343-1a97-4b44-b347-803be47ace80/user/cgroup.procs:
>  No such file or directory
> ../../src/tests/containerizer/isolator_tests.cpp:1316: Failure
> Value of: os::system( "su - " + UNPRIVILEGED_USERNAME + " -c 'echo $$ >" + 
> path::join(flags.cgroups_hierarchy, userCgroup, "cgroup.procs") + "'")
>   Actual: 256
> Expected: 0
> -bash: 
> /sys/fs/cgroup/cpu/mesos/e57f4343-1a97-4b44-b347-803be47ace80/cgroup.procs: 
> No such file or directory
> mkdir: cannot create directory 
>