[jira] [Created] (FLINK-3836) Change Histogram to enable Long counters

[Maximilian Bode (JIRA)]

Maximilian Bode created FLINK-3836:
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             Summary: Change Histogram to enable Long counters
                 Key: FLINK-3836
                 URL: https://issues.apache.org/jira/browse/FLINK-3836
             Project: Flink
          Issue Type: Improvement
          Components: Core
    Affects Versions: 1.0.2
            Reporter: Maximilian Bode
            Priority: Minor


Change 
flink/flink-core/src/main/java/org/apache/flink/api/common/accumulators/Histogram.java
 to enable Long counts instead of Integer. In particular, change the TreeMap to 
be <Integer, Long>.



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