Difference between revisions of "Cluster: Ganglia README"
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| + | == Basic information == | ||
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| + | Ganglia (and nagios) are installed on monitor.cluster.earlham.edu. Their web interfaces are available at http://monitor.cluster.earlham.edu/ganglia (and s/ganglia/nagios). | ||
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== Add a server to ganglia monitoring == | == Add a server to ganglia monitoring == | ||
Latest revision as of 13:00, 3 November 2021
Basic information
Ganglia (and nagios) are installed on monitor.cluster.earlham.edu. Their web interfaces are available at http://monitor.cluster.earlham.edu/ganglia (and s/ganglia/nagios).
Add a server to ganglia monitoring
Gmond (Deamon Ganglia Monitoring): This service will retrieve some information about the node to be monitored.
Gmetad (Ganglia Meta Daemon): Gmetad will collect data from all gmonds. Including gmond which is installed on the client. Gmetad only needs to be installed on the server side only.
RRD (Round Robin Database): Used to store data on ganglia.
Ganglia Web: A web interface for displaying data graph displays and matrices from rrd tools.
Copied from this article: https://medium.com/@cakhanif/setup-real-time-monitoring-using-ganglia-on-centos-7-45706a49ea89
Instructions for installing Ganglia on client node (Centos):
On Client machine:
1. yum install ganglia-gmond
2. In /etc/ganglia/gmond.conf set udp send channel to host=hopper.cluster.earlham.edu. See lovelace’s config of gmond as a reference.
3. service gmond restart
