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Elliott Clark commented on HADOOP-9504: --------------------------------------- Any chance of getting whichever fix is best backported to branch-1 ? For HBase this can really put a regionserver into a world of hurt. And there are still a fair number of hbase users on older branches. Seems like a 1.0.5 and/or 1.1.3 release would be helpful for users. > 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: 3.0.0, 2.0.3-alpha > Reporter: Liang Xie > Assignee: Liang Xie > Priority: Critical > Attachments: HADOOP-9504.txt > > > 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. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira