Hi,

I don’t think that’s exposed on the TaskManager.

Maybe it would simplify things a bit if you implement this as a single 
“JobManager” health check, not multiple TaskManagers health check - for example 
verify that there are expected number of registered TaskManagers. It might 
cover your case.

Piotrek

> On 9 Oct 2018, at 12:21, Bariša <barisa.obrado...@gmail.com> wrote:
> 
> As part of deploying task managers and job managers, I'd like to expose 
> healthcheck on both task managers and job managers.
> 
> For the task managers, one of the requirements that they are healthy, is that 
> they have successfully registered themselves with the job manager.
> 
> Is there a way to achieve this, without making a call to job manager ( to do 
> that, I first need to make a call to the zookeeper to find the job manager, 
> so I'm trying to simplify the health check ).
> 
> Ideally, taskmanager would have a metric that says, ( am registered ), but 
> afaik, that doesn't exist 
> https://ci.apache.org/projects/flink/flink-docs-stable/monitoring/metrics.html#cluster
>  
> <https://ci.apache.org/projects/flink/flink-docs-stable/monitoring/metrics.html#cluster>
> 
> 
> P.S.
> This is my first post in the email list, happy to update/change my question, 
> if I messed up, or misunderstood something.
> 
> Cheers,
> Barisa

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