Chesnay Schepler created FLINK-24078:
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Summary: Remove brackets around variables
Key: FLINK-24078
URL: https://issues.apache.org/jira/browse/FLINK-24078
Project: Flink
Issue Type: Technical Debt
Components: Runtime / Metrics
Reporter: Chesnay Schepler
Assignee: Chesnay Schepler
Fix For: 1.15.0
Internally, variable keys are stored with brackets, e.g., {{<job_id}}.
In practice all reporters will filter these characters in one way or the other,
and it overall is a subtle trap that we keep running into without providing any
benefit.
We should get rid of them.
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