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From "Kapil Arya (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MESOS-6026) Tasks mistakenly marked as FAILED due to race b/w ⁠sendExecutorTerminatedStatusUpdate()⁠ and ⁠_statusUpdate()⁠
Date Wed, 10 Aug 2016 22:57:20 GMT
Kapil Arya created MESOS-6026:
---------------------------------

             Summary: Tasks mistakenly marked as FAILED due to race b/w ⁠sendExecutorTerminatedStatusUpdate()⁠
and ⁠_statusUpdate()⁠
                 Key: MESOS-6026
                 URL: https://issues.apache.org/jira/browse/MESOS-6026
             Project: Mesos
          Issue Type: Bug
          Components: slave
            Reporter: Kapil Arya


Due to a race between ⁠sendExecutorTerminatedStatusUpdate()⁠ and ⁠_statusUpdate()⁠
that happens when the task has just finished and the executor is exiting.

Here is an example of slave log messages:
{code}
Aug 10 21:32:53 ip-10-10-0-205 mesos-slave[20413]: I0810 21:32:53.959374 20418 slave.cpp:3211]
Handling status update TASK_FINISHED (UUID: fd79d0bd-4ece-41dc-bced-b93491f6bb2e) for task
291 of framework 340dfe26-a09f-4857-85b8-faba5f8d95df-0008 from executor(1)@10.10.0.205:53504
Aug 10 21:32:53 ip-10-10-0-205 mesos-slave[20413]: I0810 21:32:53.959604 20418 slave.cpp:3732]
executor(1)@10.10.0.205:53504 exited
Aug 10 21:32:53 ip-10-10-0-205 mesos-slave[20413]: I0810 21:32:53.959643 20418 slave.cpp:4089]
Executor '291' of framework 340dfe26-a09f-4857-85b8-faba5f8d95df-0008 exited with status 0
Aug 10 21:32:53 ip-10-10-0-205 mesos-slave[20413]: I0810 21:32:53.959744 20418 slave.cpp:3211]
Handling status update TASK_FAILED (UUID: b94722fb-1658-4936-b604-6d642ffe20a0) for task 291
of framework 340dfe26-a09f-4857-85b8-faba5f8d95df-0008 from @0.0.0.0:0
{code}

As can be noticed, the task is marked as TASK_FAILED after the executor has exited.



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