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Posted to common-issues@hadoop.apache.org by "Liang Xie (JIRA)" <ji...@apache.org> on 2013/04/25 12:38:17 UTC

[jira] [Created] (HADOOP-9504) create metricsRateAttributeMod with ConcurrentHashMap to avoid hashmap concurrent race

Liang Xie created HADOOP-9504:
---------------------------------

             Summary: create metricsRateAttributeMod with ConcurrentHashMap to avoid hashmap concurrent race
                 Key: HADOOP-9504
                 URL: https://issues.apache.org/jira/browse/HADOOP-9504
             Project: Hadoop Common
          Issue Type: Bug
          Components: metrics
    Affects Versions: 2.0.3-alpha, 3.0.0
            Reporter: Liang Xie
            Assignee: Liang Xie
            Priority: Critical


Please see HBASE-8416 for detail information.
we need to take care of the synchronization for HashMap put(), otherwise it may lead to spin loop.

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