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https://issues.apache.org/jira/browse/FLINK-19656?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17236113#comment-17236113
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Robert Metzger commented on FLINK-19656:
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[~echauchot] thanks a lot for picking up this ticket. Chesnay is currently on
vacation. He should be back in the last week of November.
> Automatically replace delimiter in metric name components
> ---------------------------------------------------------
>
> Key: FLINK-19656
> URL: https://issues.apache.org/jira/browse/FLINK-19656
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Metrics
> Reporter: Chesnay Schepler
> Priority: Major
> Labels: starter
> Fix For: 1.12.0
>
>
> The metric name consists of various components (like job ID, task ID), that
> are then joined by a delimiter(commonly {{.}}).
> The delimiter isn't just for convention, but also carries semantics for many
> metric backends, as they organize metrics based on the delimiter.
> This can behave in unfortunate ways if the delimiter is contained with a
> given component, as it will now be split up by the backend.
> We should automatically filter such occurrences to prevent this from
> happening.
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