[FLINK-10022] Add metrics for input/output buffers

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.5.2, 1.6.0, 1.7.0
• Fix Version/s: 1.5.3, 1.6.1, 1.7.0
• Component/s: Runtime / Metrics, Runtime / Network
• Labels: pull-request-available
• Assignee: Nico Kruber
• Reporter: Nico Kruber
• Created: 02/Aug/18 11:24
• Updated: 16/Aug/18 10:28
• Resolved: 16/Aug/18 10:28

Description

Currently, we provide metrics for the input and output queue lengths, records and bytes. For diagnosing network issues, it would also be nice to know the number of buffers because we would then know their fill rate.

Issue Links

• links to: GitHub Pull Request #6551