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From Neil Conway <>
Subject Review Request 54793: Prevented task launches that reuse unreachable task IDs.
Date Thu, 15 Dec 2016 20:56:53 GMT

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Review request for mesos and Vinod Kone.

Bugs: MESOS-6805

Repository: mesos


The master keeps an in-memory cache of task IDs that have recently been
marked unreachable. The master now consults this cache to reject task
launch attempts that reuse one of these recently unreachable task IDs
(such tasks are not terminal and may resume running in the future). This
check is not complete (we won't detect all cases in which unreachable
task IDs are reused), but preventing this from happening in the common
case seems worth doing. See MESOS-6785 for details.


  src/master/validation.cpp 96aa36585ded4bd7cf98526f710ccbc4f23b1f0f 
  src/tests/partition_tests.cpp 00cc815529dc4d303db638680eacb8f55713d1a1 



`make check`


Neil Conway

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