[FLINK-20388] Supports users setting operators' metrics name

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: API / DataStream, Runtime / Metrics
• Assignee: Unassigned
• Reporter: hailong wang
• Created: 27/Nov/20 07:05
• Updated: 3 days ago 10:49

Description

Currently, we only support users setting operators name.

And we use those in the topology to distinguish operators, at the same time,  as the operator metrics name.

If the operator name length is larger than 80, we truncate it simply.

I think we can allow users to set operator metrics name like operators name. If the user is not set, use the current way.

Issue Links

• is related to: FLINK-19122 Prometheus scrape generates huge scrape target.
• relates to: FLINK-21129 Long metric names cause Graphite to not store them
• relates to: FLINK-20375 Add a switch to control the operator name in SQL