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From Neil Conway <>
Subject Re: Review Request 50845: Added `unreachable_time` to TaskStatus.
Date Wed, 24 Aug 2016 15:41:23 GMT

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(Updated Aug. 24, 2016, 3:41 p.m.)

Review request for mesos and Vinod Kone.



Bugs: MESOS-5949

Repository: mesos


This field contains the time at which the master marked an agent as
unreachable. It will only be set for status updates (including
reconciliation updates) that describe tasks running on unreachable
(e.g., partitioned) agents.

The intent is to help frameworks decide how to handle tasks running on
partitioned agents: since the framework might have missed the initial
TASK_LOST/TASK_UNREACHABLE status update (e.g., due to framework
downtime/failover), it might otherwise be difficult for frameworks to
determine how long an agent has been partitioned.

This unreachable timestamp is stored in the registry and loaded as part
of master recovery.

Diffs (updated)

  include/mesos/mesos.proto 53b6547281b23ce9f47c9f1a418b60667fb4f602 
  include/mesos/v1/mesos.proto f6b59e156c92a26dd63b11bf403bdba677b9644b 
  src/common/protobuf_utils.hpp 3324838f0a54491024b3e26ddf38afbfad31b8e4 
  src/common/protobuf_utils.cpp 8c4a7264080385789157703b05b42716fb0563b3 
  src/master/master.hpp 6decff6f4b9c3434de030fd5c06df4c683a7abad 
  src/master/master.cpp 910293ad16a4eab5ac1e0815406f42dda90c4896 
  src/tests/partition_tests.cpp 0a72b345538ca3b9510fccf38ceb68ac71c2b473 
  src/tests/reconciliation_tests.cpp 8e438bfbce508a074f0d54513cd752344238e3f2 
  src/tests/registrar_tests.cpp 9a71d8fd0c8d8e662a5e364015d144396a0b1a4c 



make check


Neil Conway

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