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From "Lars George (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-2168) [jmxtoolkit] Add JMXToolkit contrib with Cacti graphing and Nagios checking
Date Wed, 27 Jan 2010 10:21:36 GMT

    [ https://issues.apache.org/jira/browse/HBASE-2168?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12805454#action_12805454
] 

Lars George commented on HBASE-2168:
------------------------------------

OK, the patch adds a new contrib package all complete with its own build.xml. Please read
the INSTALL.txt and README.txt included to see what it does in detail. It adds a single class
that acts as a swiss-army-knife JMX tool. It can scan servers to see what attributes and operations
are exposed, query them subsequently and check the values to be in a certain range. It is
based on what Ed Capriolo has implemented (http://www.jointhegrid.com/hadoop/) but simplifies
the usage. Ed came from a generic perspective while I came from a HBase one, so I moved settings
to an external properties file instead of having classes for each version. I adjusted his
set of graph templates to match the new layout. The build.xml allows to build a jar matching
the current release but also has the ability to build a custom jar for various reasons. 

The INSTALL.txt explains how to do this all and how to use the resulting jar with Cacti and
Nagios. Goal of the contrib is to enable our users to quickly set up graphing with more elaborate
combined graphs (as opposed to graphs single values with Ganglia for example) and also monitoring
with Nagios or similar tools to get notifications when something is awry.

> [jmxtoolkit] Add JMXToolkit contrib with Cacti graphing and Nagios checking
> ---------------------------------------------------------------------------
>
>                 Key: HBASE-2168
>                 URL: https://issues.apache.org/jira/browse/HBASE-2168
>             Project: Hadoop HBase
>          Issue Type: New Feature
>    Affects Versions: 0.20.4, 0.21.0
>            Reporter: Lars George
>            Assignee: Lars George
>             Fix For: 0.20.4, 0.21.0
>
>         Attachments: HBASE-2168.patch
>
>
> Add a new contrib that allows to quickly build a package that enables easy graphing of
JMX exported values.

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