[jira] [Created] (MESOS-1150) MemIsolatorTest test is flaky

["Ian Downes (JIRA)" <ji...@apache.org>]

Ian Downes created MESOS-1150:
---------------------------------

             Summary: MemIsolatorTest test is flaky
                 Key: MESOS-1150
                 URL: https://issues.apache.org/jira/browse/MESOS-1150
             Project: Mesos
          Issue Type: Bug
          Components: test
    Affects Versions: 0.18.0
            Reporter: Ian Downes


Isolator tests need proper SetUp and TearDown for dealing with cgroups.

{noformat}
# ./bin/mesos-tests.sh --gtest_filter="*Mem*Isolator*"
Source directory: /home/idownes/workspace/mesos
Build directory: /home/idownes/workspace/mesos/build
-------------------------------------------------------------
We cannot run any cgroups tests that require mounting
hierarchies because you have the following hierarchies mounted:
/sys/fs/cgroup/cpu, /sys/fs/cgroup/cpuacct, /sys/fs/cgroup/freezer, /sys/fs/cgroup/memory
We'll disable the CgroupsNoHierarchyTest test fixture for now.
-------------------------------------------------------------
Note: Google Test filter = *Mem*Isolator*-CgroupsNoHierarchyTest.ROOT_CGROUPS_NOHIERARCHY_MountUnmountHierarchy:
[==========] Running 2 tests from 2 test cases.
[----------] Global test environment set-up.
[----------] 1 test from MemIsolatorTest/0, where TypeParam = mesos::internal::slave::PosixMemIsolatorProcess
[ RUN      ] MemIsolatorTest/0.MemUsage
[       OK ] MemIsolatorTest/0.MemUsage (2005 ms)
[----------] 1 test from MemIsolatorTest/0 (2006 ms total)

[----------] 1 test from MemIsolatorTest/1, where TypeParam = mesos::internal::slave::CgroupsMemIsolatorProcess
[ RUN      ] MemIsolatorTest/1.MemUsage
../../src/tests/isolator_tests.cpp:518: Failure
(isolator.get()->prepare(containerId, executorInfo)).failure(): Failed to prepare isolator: cgroup already exists
[  FAILED  ] MemIsolatorTest/1.MemUsage, where TypeParam = mesos::internal::slave::CgroupsMemIsolatorProcess (6 ms)
[----------] 1 test from MemIsolatorTest/1 (6 ms total)

[----------] Global test environment tear-down
[==========] 2 tests from 2 test cases ran. (2023 ms total)
[  PASSED  ] 1 test.
[  FAILED  ] 1 test, listed below:
[  FAILED  ] MemIsolatorTest/1.MemUsage, where TypeParam = mesos::internal::slave::CgroupsMemIsolatorProcess

 1 FAILED TEST
  YOU HAVE 1 DISABLED TEST
{noformat}




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