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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