Well I actually have it working, on all nodes in the cluster....kind
of. I think that it turned out to be 2 things, first needed to run a
ganglia 3.0.x, and second both gmond and the individual hadoop servers
needed to have the same multicast ip, and not a combination of
multicast and regular broadcast.
So on the over page, none of the graphs have any data. The number of
hosts is correct, but the number of CPUs is 0. If pick cpu_report as
the metric, it results in a broken image for each node detail graphs,
and the overview graphs show no data.
If I drill down to look at specific data about each node, the graphs
show information but not all graphs, and some show broken images.
Any ideas?
Thanks for all of the help.
-John
On Dec 9, 2009, at 5:16 PM, Carlo Marcelo Arenas Belon wrote:
> On Wed, Dec 09, 2009 at 04:49:43PM -0500, John Martyniak wrote:
>>
>> /* Feel free to specify as many udp_send_channels as you like. Gmond
>> used to only support having a single channel */
>> udp_send_channel {
>> mcast_join = 239.2.11.71
>> port = 8649
>> ttl = 1
>> }
>>
>> /* You can specify as many udp_recv_channels as you like as well. */
>> udp_recv_channel {
>> mcast_join = 239.2.11.71
>> port = 8649
>> bind = 239.2.11.71
>> }
>>
>> tcp_accept_channel {
>> port = 8649
>> }
>>
>> This is the config from the gmetad.conf:
>> data_source "my cluster" 10.1.1.25 cloud1
>
> "cloud1" doesn't make sense there, unless that is the hostname of one
> of the servers running gmond and that you want to have as a backup
> of 10.1.1.25
>
>> everything else is commented out.
>
> what else is commented out?, hope you don't mean everything but what
> you
> showed above for gmond.conf was commented out but only the information
> in gmetad.conf, right?
>
>> Also this is version 3.0.7.
>
> BTW if you want to use the default configurations you can even run
> without a
> gmond.conf, but be sure to get the right matching configuration on
> your
> hadoop cluster and restart everything.
>
> some more information of interest, including a nice detailed
> description
> from :
>
> http://ganglia.info/?p=88
>
> Carlo
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