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From "Alexander Rukletsov (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (MESOS-6171) Introduce "global" decision policy for unhealthy tasks.
Date Thu, 06 Apr 2017 10:23:42 GMT

     [ https://issues.apache.org/jira/browse/MESOS-6171?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alexander Rukletsov reassigned MESOS-6171:
------------------------------------------

    Assignee:     (was: haosdent)

> Introduce "global" decision policy for unhealthy tasks.
> -------------------------------------------------------
>
>                 Key: MESOS-6171
>                 URL: https://issues.apache.org/jira/browse/MESOS-6171
>             Project: Mesos
>          Issue Type: Improvement
>    Affects Versions: 1.0.0
>            Reporter: Alexander Rukletsov
>              Labels: health-check, mesosphere
>
> Currently, if the task is deemed unhealthy, i.e. it failed a health check a certain number
of times, it is killed by both default executors: [command|https://github.com/apache/mesos/blob/b053572bc424478cafcd60d1bce078f5132c4590/src/launcher/executor.cpp#L299]
and [docker|https://github.com/apache/mesos/blob/b053572bc424478cafcd60d1bce078f5132c4590/src/docker/executor.cpp#L315].
This is what can be called "local" kill policy.
> While local kill policy can save some network traffic and unload the scheduler, there
are cases, when a scheduler may want to decide what—and when—to do. This is what can be
called "global" policy, i.e. the health check library reports whether a health check failed
or succeeded, while the executor forwards this update to the scheduler without taking any
action.



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