Vinod Kone created MESOS-1049:
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Summary: Cpu Isolator incorrectly writes double values when
writing cpu.cfs_quota_us.
Key: MESOS-1049
URL: https://issues.apache.org/jira/browse/MESOS-1049
Project: Mesos
Issue Type: Bug
Affects Versions: 0.18.0
Reporter: Vinod Kone
Assignee: Vinod Kone
Fix For: 0.18.0
cpu.cfs_quota_us file will only take integral values, whereas the cpu isolator
writes double values.
{code}
[ 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)
{code}
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