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Posted to issues@flink.apache.org by "Qingsheng Ren (Jira)" <ji...@apache.org> on 2022/11/30 07:52:00 UTC

[jira] [Created] (FLINK-30246) Registering the same metric object with different name and group will conflict in metric reporter

Qingsheng Ren created FLINK-30246:
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             Summary: Registering the same metric object with different name and group will conflict in metric reporter
                 Key: FLINK-30246
                 URL: https://issues.apache.org/jira/browse/FLINK-30246
             Project: Flink
          Issue Type: Bug
          Components: Runtime / Metrics
    Affects Versions: 1.17.0
            Reporter: Qingsheng Ren


Metrics are organized by maps in AbstractReporter and MetricQueryService, which uses metric object as key and metric name as value. This kind of implementation is problematic when the same metric object is registered multiple times, either with different names or under different metric groups, which will override each other and only one metric is kept finally.



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