[jira] [Created] (FLINK-15110) Support exclusions for variables

[Shang Yuanchun (Jira)]

Chesnay Schepler created FLINK-15110:
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             Summary: Support exclusions for variables
                 Key: FLINK-15110
                 URL: https://issues.apache.org/jira/browse/FLINK-15110
             Project: Flink
          Issue Type: New Feature
          Components: Runtime / Metrics
            Reporter: Chesnay Schepler
            Assignee: Chesnay Schepler
             Fix For: 1.10.0


Tag-based reporters export all variables associated with a metric.
This behavior isn't configurable in any way, but may impact performance and stability. (see FLINK-13418)

I propose to add a new configuration option {{metrics.reporter.<name>.scope.variables.excludes}} that includes a list of variables that should be excluded from the return value of {{MetricGroup#getAllVariables()}}.

This will implicitly cause all tag-based reporter from excluding these variables completely. In the future we can additionally look into separate options for controlling whether a variable should be exposed as indexed tags or not, if the backend supports this distinction.



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