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https://issues.apache.org/jira/browse/FLINK-14410?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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lincoln lee updated FLINK-14410:
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Fix Version/s: 1.20.0
(was: 1.19.0)
> Retrieve CharacterFilter once after registration
> ------------------------------------------------
>
> Key: FLINK-14410
> URL: https://issues.apache.org/jira/browse/FLINK-14410
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Metrics
> Reporter: Chesnay Schepler
> Priority: Minor
> Labels: auto-deprioritized-major, auto-unassigned
> Fix For: 1.20.0
>
>
> Reporters can use a {{CharacterFilter}} to remove/replace characters when
> assembling metric identifiers. Currently the reporter pass this filter in
> every call to scope-related methods on the {{MetricGrou}}. We could
> streamline the {{MetricScope}} API proposed in FLINK-14350 if instead we
> retrieved this filter once after the reporter is initialized.
> This would furthermore prevent subtle bugs if reporters use varying filters;
> due to the caching of scopes only the first filter would truly be applied to
> the scope.
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