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in order to retrieve a “live” ExecutionGraph, proposed implementation can instead utilize an ArchivedExecutionGraph. It is already available in the web monitor endpoint and can be directly used for localizing operator’s Tasks and their corresponding TaskExecutors. ThreadInfoRequestCoordinator can therefore be initialized and executed as part of the WebMonitorEndpoint instead of “polluting” adding non-core functionality to the JobManagerSharedServices with non-core functionality.

Call flow is illustrated by the following sequence diagram (click to zoom):

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