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From "Josh Elser (JIRA)" <>
Subject [jira] [Commented] (ACCUMULO-1817) Use Hadoop Metrics2
Date Wed, 03 Dec 2014 17:12:13 GMT


Josh Elser commented on ACCUMULO-1817:

One big question that needs to be addressed here is what to do with the existing accumulo-metrics.xml
file. Metrics2 expects a hadoop-metrics2*.properties file to be configure the sources (emitters
from Accumulo) and sinks (file-based logging, push to Ganglia, etc).

I think, long term, it would be better to solely move to the properties file (standardize
on what's going on upstream), but that would cause a little bit of pain for users who expect
to configure/control metrics via accumulo-metrics.xml.

Thoughts anyone?

> Use Hadoop Metrics2
> -------------------
>                 Key: ACCUMULO-1817
>                 URL:
>             Project: Accumulo
>          Issue Type: New Feature
>            Reporter: Corey J. Nolet
>            Assignee: Billie Rinaldi
>              Labels: proposed
>             Fix For: 1.7.0
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
> We currently expose JMX and it's possible (with external code) to bridge the JMX to solutions
like Ganglia. It would be ideal if the integration were native and pluggable.
> Turns out that Hadoop (hdfs, mapred) and HBase has "direct" metrics reporting to Ganglia
through some nice code provided in Hadoop.
> Look into the GangliaContext to see if we can implement Ganglia metrics reporting by
Accumulo configuration alone.
> References:,

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