[FLINK-4063] Add Metrics Support for Triggers

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.1.0
• Fix Version/s: 1.1.0
• Component/s: API / DataStream
• Assignee: Aljoscha Krettek
• Reporter: Aljoscha Krettek
• Created: 13/Jun/16 12:16
• Updated: 28/Feb/19 11:14
• Resolved: 16/Jun/16 10:15

Description

Now that we have proper support for metrics we should also add a hook that allows triggers to report metrics.

This supersedes FLINK-3758 which was about using accumulators for metrics in triggers.

Issue Links

• supercedes: FLINK-3758 Add possibility to register accumulators in custom triggers
• links to: GitHub Pull Request #2106

Sub-Tasks

• Allow calling MetricGroup methods multiple times: Closed