[MESOS-9204] MetricsTest.SnapshotStatistics is flaky

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Cannot Reproduce
• Component/s: libprocess, test
• Labels: flaky-test mesosphere
• Assignee: Unassigned
• Reporter: Benjamin Bannier
• Created: 03/Sep/18 08:32
• Updated: 06/Sep/18 08:34
• Resolved: 06/Sep/18 08:34

Description

I see the test MetricsTest.SnapshotStatistics fail under load, e.g., in parallel test execution.

[ RUN      ] MetricsTest.SnapshotStatistics
../3rdparty/libprocess/src/tests/metrics_tests.cpp:536: Failure
      Expected: expected[key]
      Which is: 9.9900000000000002
To be equal to: responseValues[key]
      Which is: 2.1219957904712067e-314
../3rdparty/libprocess/src/tests/metrics_tests.cpp:536: Failure
      Expected: expected[key]
      Which is: 9.9990000000000006
To be equal to: responseValues[key]
      Which is: 0
../3rdparty/libprocess/src/tests/metrics_tests.cpp:536: Failure
      Expected: expected[key]
      Which is: 9.9000000000000004
To be equal to: responseValues[key]
      Which is: 9.9990000000000006
../3rdparty/libprocess/src/tests/metrics_tests.cpp:536: Failure
      Expected: expected[key]
      Which is: 9.5
To be equal to: responseValues[key]
      Which is: 9.9900000000000002
../3rdparty/libprocess/src/tests/metrics_tests.cpp:536: Failure
      Expected: expected[key]
      Which is: 5
To be equal to: responseValues[key]
      Which is: 9
../3rdparty/libprocess/src/tests/metrics_tests.cpp:536: Failure
      Expected: expected[key]
      Which is: 9
To be equal to: responseValues[key]
      Which is: 9.9000000000000004
[  FAILED  ] MetricsTest.SnapshotStatistics (26 ms)