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https://issues.apache.org/jira/browse/MESOS-3479?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14940753#comment-14940753
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haosdent commented on MESOS-3479:
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Health check is related to task, not related to scheduler. Every task maybe
have one health check. When the command is not correct, for example, the
command value is not executable, it should be exit. So that we could avoid a
lot of health check process.
> COMMAND Health Checks are not executed if the timeout is exceeded
> -----------------------------------------------------------------
>
> Key: MESOS-3479
> URL: https://issues.apache.org/jira/browse/MESOS-3479
> Project: Mesos
> Issue Type: Bug
> Affects Versions: 0.23.0
> Reporter: Matthias Veit
> Assignee: haosdent
> Priority: Critical
>
> The issue first appeared as Marathon Bug: See here for reference:
> https://github.com/mesosphere/marathon/issues/2179.
> A COMMAND health check is defined with a timeout of 20 seconds.
> The command itself takes longer than 20 seconds to execute.
> Current behavior:
> - The mesos health check process get's killed, but the defined command
> process not (in the example the curl command returns after 21 seconds).
> - The check attempt is considered healthy, if the timeout is exceeded
> - The health check stops and is not executed any longer
> Expected behavior:
> - The defined health check command is killed, when the timeout is exceeded
> - The check attempt is considered Unhealthy, if the timeout is exceeded
> - The health check does not stop
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