New to this project, I am testing collectd as a metrics collector to be
used with Graphite. Everything's fine so far, and I am very impressed
with how easy it is to collect high-frequency samples with very low CPU
usage.
I've enabled the CPU plugin and the metrics are showing up in Graphite.
But each individual metric is prefixed with "cpu-":
collectdlocalhostcollectd/
├── cpu-0
│ ├── cpu-idle.wsp
│ ├── cpu-interrupt.wsp
│ ├── cpu-nice.wsp
│ ├── cpu-softirq.wsp
│ ├── cpu-steal.wsp
│ ├── cpu-system.wsp
│ ├── cpu-user.wsp
│ └── cpu-wait.wsp
This seems redundant, and when visualized with Grafana, it takes too
much space in the legend. Is there a way to get rid of the "cpu-" prefix
in the metrics names? Let's say for the user metric, I want the path to
be...
host.cpu-0.user
...instead of...
host.cpu-0.cpu-user
Same question for the memory plugin.
For the load plugin, the path is load.load.longterm - here the load
label appears on two different levels. Can I get rid of one level?
Also, is there a way to group some plugins under the same branch? I'd
like CPU, memory, load, etc to fall under the category "os". Other
plugins, such as Apache, etc. I'd like to group under the "app"
category.
host
os
cpu
memory
load
app
apache
It's not clear to me how to manipulate these paths with collectd.
--
Florin Andrei
http://florin.myip.org/
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