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From Fabio <>
Subject Saving metrics data + additional metrics
Date Tue, 16 Dec 2014 01:41:00 GMT
Hi everyone,
I would need a way to export Ambari/Ganglia metrics for offline analysis 
to a file or database.
I found some info about doing this accessing host-specific ganglia web 
interface and/or obtaining data directly from the ganglia rrds database, 
but I only have ssh access to the nodes, I can't directly access them 
through a browser (I'm working remotely) and it would be nice to have a 
way to collect all these data at the ambari-server node. Is there a way 
not to just display the information in Ambari but also save them?

Another question is about the info displayed: I need some additional 
hadoop metrics like the number of containers in use, number of vcore 
assigned, etc. I could not find them in the Ambari monitoring interface 
and I was wondering if they are already collected by Ganglia in the 
Ambari configuration or if I have to manually set-up anything. Any help 
about this would be appreciated.

Thanks in advance


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