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  • type = stream-task-metrics
  • thread-id=[threadId]
  • task-id=[taskId]

For the task-level metrics we will record the staleness at both the source and the sink. A suffix of "source-" or "-sink" in the metric name will label it as such.

We will also expose these metrics on the processor-node-level for stateful operators at the recording level DEBUG with the following tags:

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