Hello,
I built ganglia-3.6.0 (ganglia-web-3.5.12) on a CentOS 6.5 system
and I'm having a little trouble getting to work. It's a quad-core
system with 4 cores, 8 with HT turned on. I've been having trouble
getting it to work so I decided to start things by hand. When I start
httpd by hand I get the following:
[root@home4 ~]# /etc/rc.d/init.d/httpd start
Starting httpd: httpd: Could not reliably determine the server's fully
qualified domain name, using 192.168.1.4 for ServerName
[ OK ]
I don't know if this is a problem or not (maybe). Then I started
gmetad.
[root@home4 ~]# /etc/rc.d/init.d/gmetad start
Starting GANGLIA gmetad: [ OK ]
I see the following messages in /var/log/messages:
Jan 18 17:11:14 home4 /usr/local/sbin/gmetad[4088]: Please make sure
that /var/lib/ganglia/rrds is owned by nobody
So I changed the ownership of /var/lib/ganglia/rrds to nobody:nobody
(it was ganglia:ganglia). Then I restarted gmetad and I immediately the
following messages in /var/log/messages:
Jan 18 16:25:32 home4 /usr/local/sbin/gmetad[6122]: data_thread() for
[my cluster] failed to contact node 127.0.0.1
Jan 18 16:25:32 home4 /usr/local/sbin/gmetad[6122]: data_thread() got no
answer from any [my cluster] datasource
And it keeps repeating filling up the messages file. Despite the
repeating messages I started gmond and the messages continue
in /var/log/messages. Moreover, one of the cores goes to 100% load and
stays there.
I can bring up the web interface (I used ganglia-web-3.5.12) but it
doesn't show any data (just a bunch of nan's for the charts).
My /etc/gmond.conf file looks like the following:
udp_send_channel {
host = 192.168.1.4
port = 9649
}
udp_recv_channel {
port = 9649
}
where 192.168.1.4 is eth0 on my box (it's my desktop).
My /etc/gmetad.conf file looks like the following:
data_source "my cluster" 192.168.1.4
#-------------------------------------------------------------------------------
# User gmetad will setuid to (defaults to "nobody")
# default: "nobody"
setuid_username "nobody"
#
case_sensitive_hostnames 0
Ultimately I will be using ganglia to monitor several nodes but I'd
like to start monitoring the master node first.
Any help is appreciated.
Thanks!
Jeff
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