[GitHub] [flink] zentol commented on pull request #6702: [FLINK-10135] The JobManager does not report the cluster-level metrics

[GitHub]

This results in a wave of RPC calls to every single JM. Would it not be 
feasible to simple count the number of job IDs contained in 
`jobManagerRunnerFutures`?

[ Full content available at: https://github.com/apache/flink/pull/6702 ]
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