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From "Joseph Wu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MESOS-4059) Investigate remaining flakiness in MasterMaintenanceTest.InverseOffersFilters
Date Fri, 04 Dec 2015 18:06:11 GMT

    [ https://issues.apache.org/jira/browse/MESOS-4059?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15041883#comment-15041883
] 

Joseph Wu commented on MESOS-4059:
----------------------------------

Note: This issue is not resolved yet because the above commit does not completely resolve
the "flakiness in the first inverse offer filter".  See [this comment in the review|https://reviews.apache.org/r/40935/#review108911].

> Investigate remaining flakiness in MasterMaintenanceTest.InverseOffersFilters
> -----------------------------------------------------------------------------
>
>                 Key: MESOS-4059
>                 URL: https://issues.apache.org/jira/browse/MESOS-4059
>             Project: Mesos
>          Issue Type: Bug
>            Reporter: Neil Conway
>            Assignee: Neil Conway
>            Priority: Minor
>              Labels: flaky-test, mesosphere
>
> Per comments in MESOS-3916, the fix for that issue decreased the degree of flakiness,
but it seems that some intermittent test failures do occur -- should be investigated.
> *Flakiness in task acknowledgment*
> {code}
> I1203 18:25:04.609817 28732 status_update_manager.cpp:392] Received status update acknowledgement
(UUID: 6afd012e-8e88-41b2-8239-a9b852d07ca1) for task 26305fdd-edb0-4764-8b8a-2558f2b2d81b
of framework c7900911-cc7a-4dde-92e7-48fe82cddd9e-0000
> W1203 18:25:04.610076 28732 status_update_manager.cpp:762] Unexpected status update acknowledgement
(received 6afd012e-8e88-41b2-8239-a9b852d07ca1, expecting 82fc7a7b-e64a-4f4d-ab74-76abac42b4e6)
for update TASK_RUNNING (UUID: 82fc7a7b-e64a-4f4d-ab74-76abac42b4e6) for task 26305fdd-edb0-4764-8b8a-2558f2b2d81b
of framework c7900911-cc7a-4dde-92e7-48fe82cddd9e-0000
> E1203 18:25:04.610339 28736 slave.cpp:2339] Failed to handle status update acknowledgement
(UUID: 6afd012e-8e88-41b2-8239-a9b852d07ca1) for task 26305fdd-edb0-4764-8b8a-2558f2b2d81b
of framework c7900911-cc7a-4dde-92e7-48fe82cddd9e-0000: Duplicate acknowledgemen
> {code}
> This is a race between [launching and acknowledging two tasks|https://github.com/apache/mesos/blob/75aaaacb89fa961b249c9ab7fa0f45dfa9d415a5/src/tests/master_maintenance_tests.cpp#L1486-L1517].
 The status updates for each task are not necessarily received in the same order as launching
the tasks.
> *Flakiness in first inverse offer filter*
> See [this comment in MESOS-3916|https://issues.apache.org/jira/browse/MESOS-3916?focusedCommentId=15027478&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15027478]
for the explanation.  The related logs are above the comment.



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