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Posted to dev@ambari.apache.org by "Nate Cole (JIRA)" <ji...@apache.org> on 2014/04/28 21:40:15 UTC

[jira] [Created] (AMBARI-5600) Usability: NameNode/ResourceManager/HBase Master CPU Utilization, show up as UNKNOWN (SNMP not working)

Nate Cole created AMBARI-5600:
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             Summary: Usability: NameNode/ResourceManager/HBase Master CPU Utilization, show up as UNKNOWN (SNMP not working)
                 Key: AMBARI-5600
                 URL: https://issues.apache.org/jira/browse/AMBARI-5600
             Project: Ambari
          Issue Type: Task
          Components: agent
            Reporter: Nate Cole
            Assignee: Nate Cole
             Fix For: 1.6.1


In certain environments where SNMP is not working (due to firewall, snmpd not running, etc), "CPU Utilization" alerts show up as "UNKNOWN" with a question mark.

Can easily replicate this by running "service snmpd stop" on all hosts once the cluster is installed.

It looks like no other alerts are affected by the lack of functioning SNMP.

* Drop dependency/install of SNMP
* Check for java7 or higher and use a JMX metric for this information
* When java6, do not provide a CPU alert.




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