[FLINK-20718] Create busyTimeMsPerSecond metrics

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.13.0
• Component/s: Runtime / Metrics, Runtime / Task
• Labels: pull-request-available
• Assignee: Piotr Nowojski
• Reporter: Piotr Nowojski
• Created: 22/Dec/20 11:37
• Updated: 28/May/21 06:59
• Resolved: 06/Jan/21 07:52

Description

busyTimeMsPerSecond is defined as 1000 - idleTimeMsPerSecond, and that's also how it will be calculated. This indirect approach is used because the direct approach would require System.currentTimeMillis() calls for example once per record.

Issue Links

• links to: GitHub Pull Request #14507