Hi,
I'm pretty new to ganglia so I'm still trying to get my head around
some aspects.
What I noticed is that in the __SummaryInfo__ for a cluster the total
for cpu_num is not the total number of cpus for that cluster at all
but rather for (in case of a 2 cluster) one node. I got around this by
by defining another udp unicast channel for the gmond on the other
node in the cluster (on each node) so all nodes have the data of all
nodes.
gmond on eg. node1 is configured like this:
-----
cluster {
name = "clusterXX"
}
udp_send_channel {
host = node1
port = 8649
ttl = 1
}
udp_send_channel {
host = node2
port = 8649
ttl = 1
}
udp_recv_channel {
port = 8649
bind = node1
}
tcp_accept_channel {
bind = node1
port = 8649
}
-----
gmetad on the collector is set up like this:
-----
data_source node1 node1
data_source node2 node2
-----
This makes me wonder: does gmetad generate the SummaryInfo for a given
cluster based on data it pulls from 1 node only? Or how does it work?
I noticed a post about the same here:
http://www.mail-archive.com/[email protected]/msg04765.html
Thanks in advance,
Gregory
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