[MESOS-1049] Cpu Isolator incorrectly writes double values when writing cpu.cfs_quota_us.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.18.0
• Fix Version/s: 0.18.0
• Component/s: containerization
• Assignee: Vinod Kone
• Reporter: Vinod Kone
• Created: 28/Feb/14 19:29
• Updated: 26/Apr/17 16:53
• Resolved: 28/Feb/14 22:30

Description

cpu.cfs_quota_us file will only take integral values, whereas the cpu isolator writes double values.

[ RUN      ] LimitedCpuIsolatorTest.ROOT_CGROUPS_Cfs
I0228 18:10:16.145454 34925 cgroups_launcher.cpp:59] Using /sys/fs/cgroup/freezer as the freezer hierarchy for the cgroups launcher
I0228 18:10:16.149149 34939 cgroups.cpp:394] Trying to write value: 13824
I0228 18:10:16.149194 34939 cpushare.cpp:334] Updated 'cpu.shares' to 13824 (cpus 13.5) for container mesos_test_cfs_cpu_limit
I0228 18:10:16.149654 34939 cgroups.cpp:394] Trying to write value: 100000
I0228 18:10:16.150081 34939 cgroups.cpp:394] Trying to write value: 1.35e+06
../../src/tests/isolator_tests.cpp:328: Failure
(isolator.get()->prepare(containerId, executorInfo)).failure(): Failed to update 'cpu.cfs_quota_us' to 1350ms: Invalid argument
[  FAILED  ] LimitedCpuIsolatorTest.ROOT_CGROUPS_Cfs (16 ms)
[----------] 1 test from LimitedCpuIsolatorTest (17 ms total)