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From Joseph Wu <jos...@mesosphere.io>
Subject Re: Review Request 69273: Fixed flaky agent reconfiguration test.
Date Wed, 07 Nov 2018 21:44:45 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/69273/#review210383
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src/tests/slave_recovery_tests.cpp
Line 4739 (original), 4742 (patched)
<https://reviews.apache.org/r/69273/#comment295046>

    Now that the clock is paused, we should deterministically not get extra offers.  You can
probably remove these blocks from the test.
    
    Here and throughout the test.



src/tests/slave_recovery_tests.cpp
Line 4827 (original), 4841-4845 (patched)
<https://reviews.apache.org/r/69273/#comment295045>

    There is always a non-zero delay between the agent's startup and subscribing to the master:
    https://github.com/apache/mesos/blob/master/src/slave/slave.cpp#L1306-L1321
    
    There isn't a great way to wait for the agent to detect the master, and then advance the
clock.  Instead, try setting `slaveFlags.registration_backoff_factor = Seconds(0);`.  I think
that should bypass this small subscription delay.


- Joseph Wu


On Nov. 7, 2018, 10:40 a.m., Benno Evers wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/69273/
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> 
> (Updated Nov. 7, 2018, 10:40 a.m.)
> 
> 
> Review request for mesos, Greg Mann and Joseph Wu.
> 
> 
> Bugs: MESOS-9358
>     https://issues.apache.org/jira/browse/MESOS-9358
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> Removed some flakyness from the test
> SlaveRecoveryTest.AgentReconfigurationWithRunningTask
> by removing the `refuse_offers` filter and by pausing
> the clock whenever possible during the test.
> 
> 
> Diffs
> -----
> 
>   src/tests/slave_recovery_tests.cpp 5842ccffaf8c409aaa9c84720ba6c7b07ba6dc7c 
> 
> 
> Diff: https://reviews.apache.org/r/69273/diff/1/
> 
> 
> Testing
> -------
> 
> `./src/mesos-tests --gtest_filter="*ReconfigurationWithRunning*" --gtest_repeat=200`
> 
> 
> Thanks,
> 
> Benno Evers
> 
>


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