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From "Chesnay Schepler (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-4054) Inconsistent Reporter synchronization within report()
Date Fri, 10 Jun 2016 12:17:21 GMT
Chesnay Schepler created FLINK-4054:

             Summary: Inconsistent Reporter synchronization within report()
                 Key: FLINK-4054
                 URL: https://issues.apache.org/jira/browse/FLINK-4054
             Project: Flink
          Issue Type: Improvement
          Components: Metrics
    Affects Versions: 1.1.0
            Reporter: Chesnay Schepler
            Priority: Critical
             Fix For: 1.1.0

There are currently 2 distinct approaches to how added/removed metrics are handled while a
Reporter is in report().

The StatsDReporter simply catches possible exceptions (ConcurrentModificationException/NoSuchElementException)
and reports the next time, while all other reporters access the metrics in a synchronized

We should have a clear line as to which approach people should use.

Whether FLINK-3998 is a valid issue depends on this decision.

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