Re: Programatically collect taskmanagers details from Job Manager

Posted by Stephan Ewen on
URL: http://deprecated-apache-flink-user-mailing-list-archive.369.s1.nabble.com/Programatically-collect-taskmanagers-details-from-Job-Manager-tp8733p8749.html

You should be able to call the Monitor handler of the JobManager:   http://jobmanagerhost:8081/taskmanagers

That gives you a JSON response like this: 

{ "taskmanagers [   
  { "id" : "7c8835b89acf533cb8a5119dbcaf4b4f",
    "path" : "akka.tcp://flink@127.0.1.1:56343/user/taskmanager",
    "dataPort" : 56199,
    "timeSinceLastHeartbeat" : 1472461577563,
    "slotsNumber" : 4,
    ....},
  { "id " :"460bfbf8b540bf28befd616cbc9ea532",
    "path" : "akka.tcp://flink@127.0.1.1:58404/user/taskmanager",
    "dataPort" : 39233,
    "timeSinceLastHeartbeat" : 1472461577967,
    "slotsNumber":4,
    ....}
]
}

That should have the hostname/IP in the TaskManager URL:

Hope that helps

Stephan


On Sun, Aug 28, 2016 at 3:03 PM, Sreejith S <[hidden email]> wrote:
Hi All,

Is there any programmatic way to get the taskmanager details from a flink clluster ?

At least the IP of taskmanagers ?

Thanks,