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Posted to dev@ambari.apache.org by "Andrii Tkach (JIRA)" <ji...@apache.org> on 2015/12/15 11:41:46 UTC

[jira] [Created] (AMBARI-14382) ambari intermittently not able to detect the active NN

Andrii Tkach created AMBARI-14382:
-------------------------------------

             Summary: ambari intermittently not able to detect the active NN
                 Key: AMBARI-14382
                 URL: https://issues.apache.org/jira/browse/AMBARI-14382
             Project: Ambari
          Issue Type: Bug
          Components: ambari-web
    Affects Versions: 2.2.0
            Reporter: Andrii Tkach
            Assignee: Andrii Tkach
            Priority: Critical
             Fix For: 2.2.1
         Attachments: hdfs-HA.jpg

/main/services/HDFS/summary shows neither of the NN as active. This causes the metrics to be wrong as they get data from the standby NN. This is an intermittent issue where some times it shows the correct node as active and some times it does not. However when it does show the correct node as active it does not seem to pick up the metrics from that node.



{code}
# ambari-server --hash
00134fe762906e804c68034f8bdcd9e522725892
# rpm -qa | grep ambari
ambari-server-2.2.0.0-1236.x86_64
ambari-agent-2.2.0.0-1236.x86_64
ambari-metrics-hadoop-sink-2.2.0.0-1236.x86_64
ambari-metrics-monitor-2.2.0.0-1236.x86_64
{code}



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