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https://issues.apache.org/jira/browse/FLINK-20388?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17240738#comment-17240738
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Jark Wu commented on FLINK-20388:
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I was thinking to generate an unique id for the operators in the topology tree
order and append after the short name, e.g. "TableSourceScan#1", "Calc#2".
I think we need a mapping between the metric name and operator name. Would be
great if the runtime can automantically handle this.
> Supports users setting operators' metrics name
> ----------------------------------------------
>
> Key: FLINK-20388
> URL: https://issues.apache.org/jira/browse/FLINK-20388
> Project: Flink
> Issue Type: Improvement
> Components: API / DataStream, Runtime / Metrics
> Reporter: hailong wang
> Priority: Major
>
> Currently, we only support users setting operators name.
> And we use those in the topology to distinguish operators, at the same time,
> as the operator metrics name.
> If the operator name length is larger than 80, we truncate it simply.
> I think we can allow users to set operator metrics name like operators name.
> If the user is not set, use the current way.
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