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From "Andrey (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (FLINK-6083) [TaskManager] Support readiness/liveness probes
Date Thu, 16 Mar 2017 16:24:41 GMT

     [ https://issues.apache.org/jira/browse/FLINK-6083?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrey updated FLINK-6083:
--------------------------
    Description: 
Currently there is no way to tell if TaskManager is operating or not. Operating means "its
connected to JobManager and ready to process requests". 

TaskManager should provide metric "jobManagerConnection":
* 0 - disconnected
* 1 - connected

Or any other API which could expose connection status.

Expected usage:
* run task manager in manager environment
* configure readiness and liveness probes (periodically poll jmx or REST)
* restart task manager if liveness probe returns 0 (disconnected)

  was:
Currently there is no way to tell if TaskManager is operating or not. Operating means "its
connected to JobManager and ready to process requests". 

TaskManager should provide metric "jobManagerConnection":
* 0 - disconnected
* 1 - connected

Or any other API which could expose connection status


> [TaskManager] Support readiness/liveness probes
> -----------------------------------------------
>
>                 Key: FLINK-6083
>                 URL: https://issues.apache.org/jira/browse/FLINK-6083
>             Project: Flink
>          Issue Type: New Feature
>    Affects Versions: 1.2.0, 1.3.0
>            Reporter: Andrey
>
> Currently there is no way to tell if TaskManager is operating or not. Operating means
"its connected to JobManager and ready to process requests". 
> TaskManager should provide metric "jobManagerConnection":
> * 0 - disconnected
> * 1 - connected
> Or any other API which could expose connection status.
> Expected usage:
> * run task manager in manager environment
> * configure readiness and liveness probes (periodically poll jmx or REST)
> * restart task manager if liveness probe returns 0 (disconnected)



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