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https://issues.apache.org/jira/browse/MESOS-6766?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexander Rukletsov updated MESOS-6766:
---------------------------------------
    Summary: HealthChecker launches helper binary during each health check 
attempt.  (was: HealthChecker launches helper binary each during health check 
attempt.)

> HealthChecker launches helper binary during each health check attempt.
> ----------------------------------------------------------------------
>
>                 Key: MESOS-6766
>                 URL: https://issues.apache.org/jira/browse/MESOS-6766
>             Project: Mesos
>          Issue Type: Improvement
>    Affects Versions: 1.1.0, 1.2.0
>            Reporter: Alexander Rukletsov
>              Labels: health-check, mesosphere
>
> Currently the HealthChecker library launches a helper binary ({{curl}} for 
> {{HTTP}}, {{mesos-tcp-connect}} for {{TCP}}, {{<user-command>}} for 
> {{COMMAND}}) each time it attempts a health check. While it is unavoidable 
> for {{COMMAND}} health checks, for {{HTTP}} and {{TCP}} we can do better. We 
> probably can't send requests and try TCP handshakes directly from the 
> library, i.e., executor process, because appropriate namespaces should be 
> entered, but we can launch the binary only once and keep it running alongside 
> the task process till the task is running.



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