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From "Vitalyi Brodetskyi" <vbrodets...@hortonworks.com>
Subject Review Request 19734: disk_total sometimes returns 0
Date Thu, 27 Mar 2014 17:06:54 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/19734/
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Review request for Ambari, Dmitro Lisnichenko and Nate Cole.


Bugs: AMBARI-5249
    https://issues.apache.org/jira/browse/AMBARI-5249


Repository: ambari


Description
-------

The main problems of this issue are:
1) Even if we have only one HDPDataNode gmond (and it collects host metrics) on host, we will
not get host metrics from rrd.py. Because rrd.py do not read host metrics from HDPDataNode
rrds.
2) Some of component gmonds (HDPNodeManager and HDPResourceManager) do not collect host metrics
at all. If we have only HDPNodeManager and HDPResourceManager on the host, we will not get
any host metrics.
Conclusion:
One of the simpliest and robust solution is to add HDPSlaves to each host.
This problem is available on 1.5.0 (HDP-2)


Diffs
-----

  ambari-server/src/main/resources/stacks/HDP/2.0.6/services/GANGLIA/package/scripts/ganglia_monitor.py
93ac3f8 
  ambari-server/src/test/python/stacks/2.0.6/GANGLIA/test_ganglia_monitor.py 7178834 

Diff: https://reviews.apache.org/r/19734/diff/


Testing
-------

----------------------------------------------------------------------
Ran 190 tests in 2.437s

OK
----------------------------------------------------------------------
Total run:504
Total errors:0
Total failures:0
OK

Process finished with exit code 0


Thanks,

Vitalyi Brodetskyi


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