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Posted to common-issues@hadoop.apache.org by "Erik Krogen (JIRA)" <ji...@apache.org> on 2017/04/06 16:39:42 UTC
[jira] [Updated] (HADOOP-14276) Add a nanosecond API to
Time/Timer/FakeTimer
[ https://issues.apache.org/jira/browse/HADOOP-14276?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Erik Krogen updated HADOOP-14276:
---------------------------------
Status: Patch Available (was: In Progress)
> 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
> Attachments: HADOOP-14276.000.patch
>
>
> 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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