Robert Metzger created FLINK-4830:
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Summary: Show latency statistics in web interface
Key: FLINK-4830
URL: https://issues.apache.org/jira/browse/FLINK-4830
Project: Flink
Issue Type: Sub-task
Components: Metrics
Reporter: Robert Metzger
Assignee: Robert Metzger
With FLINK-3660, we added a metric that measures the latency of records flowing
through the system.
With this JIRA, I would like to expose the latency also in the web frontend.
Therefore, we'll probably need to change the format the latency is reported in
the metric.
I think we should show the latencies in two different views in the interface:
- A global end-to-end latency in the overview of running jobs. This number is
probably pretty inaccurate, but should give users a first impression of the
latency characteristics currently present in the job
- A detailed latency drill-down view, that allows to see how much latency is
added on average at each operator, for the sources.
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