Feature request - thresholds #292
Comments
|
Do you have an idea as to how this might be used in an environment? |
|
Yep. You might use thresholds with the processes plugin to define a threshold of processes. For example, if there are sixteen Nginx processes then emit okay, if less than sixteen emit a warning, if less than 12 emit a critical notification. It's basically very simple threshold alerting a la a monitoring system but in the form of a collectd notification metric. Super useful. Here's an example for monitoring Graphite: |
```puppet
class { 'collectd::plugin::processes':
process_matches => [
'carbon-cache',
'python.+carbon-cache',
],
}
class { 'collectd::plugin::threshold':
plugins => {
processes => {
instance => 'carbon-cache',
types => {
data_source => 'processes',
warning_min => 16,
failure_min => 12,
},
},
},
}
```
Fixes voxpupuli#292 (Above example from this issue).
|
@smortex I don't understand your comment? |
|
Oh, sorry to be unclear…
and in the code: I guess you meant: |
|
@smortex No I didn't. I used that example and then said: "Here's an example for monitoring Graphite:" Those are two separate examples. |
```puppet
class { 'collectd::plugin::processes':
process_matches => [
'carbon-cache',
'python.+carbon-cache',
],
}
class { 'collectd::plugin::threshold':
plugins => {
processes => {
instance => 'carbon-cache',
types => {
data_source => 'processes',
warning_min => 16,
failure_min => 12,
},
},
},
}
```
Fixes voxpupuli#292 (Above example from this issue).
|
Ah! I don't use nginx nor graphite, and am new to the threshold thing in collectd. I did not understood it was 2 different things and wanted to be sure that the mismatch was a typo and not something "magic". So it's neither something magic or a typo… and everything is fine, thanks! Sorry for the noise 😃 |
```puppet
class { 'collectd::plugin::processes':
process_matches => [
'carbon-cache',
'python.+carbon-cache',
],
}
class { 'collectd::plugin::threshold':
plugins => {
processes => {
instance => 'carbon-cache',
types => {
data_source => 'processes',
warning_min => 2,
failure_min => 1,
},
},
},
}
```
Fixes voxpupuli#292 (Above example from this issue).
```puppet
class { 'collectd::plugin::processes':
process_matches => [
'carbon-cache',
'python.+carbon-cache',
],
}
class { 'collectd::plugin::threshold':
plugins => {
processes => {
instance => 'carbon-cache',
types => {
data_source => 'processes',
warning_min => 2,
failure_min => 1,
},
},
},
}
```
Fixes voxpupuli#292 (Above example from this issue).
It would be very nice to implement thresholds support
https://collectd.org/wiki/index.php/Notifications_and_thresholds
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