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From Andrew Purtell <apurt...@yahoo.com>
Subject RE: Bulk import question.
Date Tue, 02 Dec 2008 05:32:43 GMT
Hello Jonathan,

+1 on sharing your Nagios plugins for Hadoop and HBase as a
contrib. :-)

   - Andy

> From: Jonathan Gray <jlist@streamy.com>
> Subject: RE: Bulk import question.
> To: hbase-user@hadoop.apache.org
> Date: Monday, December 1, 2008, 7:20 PM
> Your new best friends:  Ganglia and Nagios
> Ganglia is great for monitoring cluster-wide resource usage
> over time.  You'll see memory, cpu, disk, network usage
> over time for entire cluster and for each node.  It is very
> easy to setup because it uses UDP broadcast so no need to
> actually configure nodes in conf files.  HBase 0.19
> introduces ganglia metrics which will also be available in
> the ganglia web interface.
> http://ganglia.info/
> Nagios is good for monitoring services as well as resource
> utilization.  Rather than give data over time, it's aim
> is really to alert you when something is wrong.  For
> example, when a server is no longer reachable or when
> available disk space reaches a configurable threshold.  It
> does require a bit more work to get up and running because
> you have to setup your node and service configurations.  I
> have written custom nagios plugins for hadoop and hbase, if
> there's interest I will look at cleaning them up and
> contrib'ing them.
> http://www.nagios.org/
> Both are free and essential tools for properly monitoring
> your cluster.
> JG


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