Erik Krogen created HADOOP-14276:
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Summary: Add a nanosecond API to Time/Timer/FakeTimer
Key: HADOOP-14276
URL: https://issues.apache.org/jira/browse/HADOOP-14276
Project: Hadoop Common
Issue Type: Improvement
Components: util
Reporter: Erik Krogen
Assignee: Erik Krogen
Priority: Minor
Right now {{Time}}/{{Timer}} export functionality for retrieving time at a
millisecond-level precision but not at a nanosecond-level precision, which is
required for some applications (there's ~70 usages). Most of these seem not to
need mocking functionality for tests; only one class currently mocks this out
({{LightWeightCache}}) but we would like to add another as part of HDFS-11615
and want to avoid code duplication. This could be useful for other classes in
the future as well.
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