Hi, I'm not very clear about how the monitoring data stored in the rrd from
Ganglia. Can someone explain it to me?
Thanks!
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It goes like this:
- Ganglia agents (gmond) push data (over UDP) to designated cluster
headnodes (same gmond daemon, only configured to accept UDP data).
- the most recent data is accumulated in memory on these headnodes
- gmetad must be configured to periodically pull data from one (or more) of
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