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ASF GitHub Bot commented on FLINK-4422: --------------------------------------- Github user tzulitai commented on the issue: https://github.com/apache/flink/pull/3421 +1 to merge, with #3422. > Convert all time interval measurements to System.nanoTime() > ----------------------------------------------------------- > > Key: FLINK-4422 > URL: https://issues.apache.org/jira/browse/FLINK-4422 > Project: Flink > Issue Type: Sub-task > Components: Core > Reporter: Stephan Ewen > Assignee: Jin Mingjian > Priority: Minor > > In contrast to {{System.currentTimeMillis()}}, {{System.nanoTime()}} is > monotonous. To measure delays and time intervals, {{System.nanoTime()}} is > hence reliable, while {{System.currentTimeMillis()}} is not. -- This message was sent by Atlassian JIRA (v6.3.15#6346)