[GitHub] flink issue #4841: [FLINK-7368][metrics] Backport synchronization fix for Me...

[pnowojski]

Github user pnowojski commented on the issue:

    https://github.com/apache/flink/pull/4841
  
    @zentol indeed, thanks for pointing out. There was one more place 
`MutableIOMetrics.java`.


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