Chesnay Schepler created FLINK-4054:
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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 block.
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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