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From "haosdent (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MESOS-6517) Health checking only on 127.0.0.1 is limiting.
Date Fri, 27 Jan 2017 16:39:24 GMT

    [ https://issues.apache.org/jira/browse/MESOS-6517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15843094#comment-15843094
] 

haosdent commented on MESOS-6517:
---------------------------------

[~alexr][~avinash.mesos] Got it, thanks a lot for your nice explanation.

> Health checking only on 127.0.0.1 is limiting.
> ----------------------------------------------
>
>                 Key: MESOS-6517
>                 URL: https://issues.apache.org/jira/browse/MESOS-6517
>             Project: Mesos
>          Issue Type: Improvement
>            Reporter: Alexander Rukletsov
>              Labels: health-check, mesosphere
>
> As of Mesos 1.1.0, HTTP and TCP health checks always use 127.0.0.1 as the target IP.
This is not configurable. As a result, tasks should listen on all interfaces if they want
to support HTTP and TCP health checks. However, there might be some cases where tasks or containers
will end up binding to a specific IP address. 
> To make health checking more robust we can:
> * look at all interfaces in a given network namespace and do health check on all the
IP addresses;
> * allow users to specify the IP to health check;
> * deduce the target IP from task's discovery information.



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