[GitHub] flink issue #6292: [FLINK-9789][metrics] Ensure uniqueness of watermark metr...

[zentol]

Github user zentol commented on the issue:

    https://github.com/apache/flink/pull/6292
  
    Relying on hashCode/equals implementations would mean we could no longer 
use lambdas/method references for gauges which imo isn't a viable option.


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