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https://issues.apache.org/jira/browse/FLINK-16038?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17036158#comment-17036158
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Jark Wu commented on FLINK-16038:
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I'm fine with this.
> Expose hitRate metric for JDBCLookupFunction
> --------------------------------------------
>
> Key: FLINK-16038
> URL: https://issues.apache.org/jira/browse/FLINK-16038
> Project: Flink
> Issue Type: Improvement
> Components: Connectors / JDBC
> Affects Versions: 1.10.0
> Reporter: Benchao Li
> Priority: Minor
>
> {{hitRate}} is a key metric for a cache. Exposing {{hitRate}} for
> {{JDBCLookupFunction}} can give users an intuitive understanding about the
> cache stat.
> cc [~lzljs3620320] [~jark]
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