[jira] [Created] (HADOOP-10169) remove the unnecessary synchronized in JvmMetrics class

[Liang Xie (JIRA)]

Liang Xie created HADOOP-10169:
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             Summary: remove the unnecessary  synchronized in JvmMetrics class
                 Key: HADOOP-10169
                 URL: https://issues.apache.org/jira/browse/HADOOP-10169
             Project: Hadoop Common
          Issue Type: Improvement
          Components: metrics
    Affects Versions: 2.2.0, 3.0.0
            Reporter: Liang Xie
            Assignee: Liang Xie
            Priority: Minor
         Attachments: HADOOP-10169.txt

When i looked into a HBase JvmMetric impl, just found this synchronized seems 
not essential.



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