[jira] [Created] (FLINK-22510) ConfigurationUtils always serializes Duration to nanoseconds

[Shang Yuanchun (Jira)]

Ingo Bürk created FLINK-22510:
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             Summary: ConfigurationUtils always serializes Duration to nanoseconds
                 Key: FLINK-22510
                 URL: https://issues.apache.org/jira/browse/FLINK-22510
             Project: Flink
          Issue Type: Improvement
    Affects Versions: 1.12.2, 1.13.0
            Reporter: Ingo Bürk


ConfigurationUtils#convertToString is hard-coded to serialize instances of Duration into nanoseconds. This often produces output which isn't really human-understandable. It would be good to be a bit smarter here in how this is serialized to make it more natural to humans.

A possible solution could be choosing the lowest unit with which the value can be expressed as an integer, e.g. "1 min", "35 s", "3256 ms", …



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