Chesnay Schepler created FLINK-4206:
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Summary: Metric names should alle special characters
Key: FLINK-4206
URL: https://issues.apache.org/jira/browse/FLINK-4206
Project: Flink
Issue Type: Improvement
Components: Metrics
Affects Versions: 1.1.0
Reporter: Chesnay Schepler
Assignee: Chesnay Schepler
Fix For: 1.1.0
Currently, the name of the metric is restricted to alphanumeric characters.
This restriction was originally put in place to circumvent issues due to
systems not supporting certain characters.
However, this restriction does not make a lot of sense since for group names we
don't enforce such a restriction.
This also affects the integration of the Kafka metrics, so i suggest removing
the restriction.
>From now on it will be the responsibility of the reporter to make sure that
>the metric identifier is supported by the external system.
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