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In-Reply-To: <D686DD4A-0192-4A1C-B164-B394897A9EB8@beforedawnsolutions.com>
References: <D686DD4A-0192-4A1C-B164-B394897A9EB8@beforedawnsolutions.com>
From: Matt Massie <matt@cloudera.com>
Date: Mon, 23 Nov 2009 09:04:53 -0800
Message-ID: <35538fbe0911230904n30b39148m4502f464e274f3c7@mail.gmail.com>
Subject: Re: Ganglia
To: common-user@hadoop.apache.org
Cc: core-user@hadoop.apache.org
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John-

I would recommend that you drop into irc channel #ganglia on freenode or
join the ganglia-general mailing list (http://ganglia.info/) and send this
question there.  This seems like a configuration/firewall issue.

-Matt



On Mon, Nov 23, 2009 at 12:41 AM, John Martyniak <
john@beforedawnsolutions.com> wrote:

> Hi,
>
> I have been trying to get Hadoop working with Ganglia, and am making some
> progress.
>
> I have upgraded to Hadoop 0.20.1, and that seems to make a big difference,
> I no longer get any errors related to Ganglia.
>
> But when I run gmetad --debug=5, I get the following:
> [root@monitor ganglia]# gmetad --debug=5
> Going to run as user nobody
> Sources are ...
> Source: [hadoop cluser, step 15] has 4 sources
>        10.1.1.128
>        10.1.1.129
>        10.1.1.130
>        10.1.1.131
> xml listening on port 8651
> interactive xml listening on port 8652
> cleanup thread has been started
> Data thread 3023616912 is monitoring [hadoop cluser] data source
>        10.1.1.128
>        10.1.1.129
>        10.1.1.130
>        10.1.1.131
> data_thread() got no answer from any [hadoop cluser] datasource
>
> If telnet from 10.1.1.128 to the ganglia machine, it returns an XML string,
> so it can connect.
>
> I guess my question is do I need to run gmond or gexec on each individual
> node?  Or should it just write to ganglia machine, once it is configured in
> the hadoop-metrics.properties?
>
> Thank you,
>
> -john
>
>

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