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Clarify multi-metric queries

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The example on the multi-metric query was a bit misleading, so this
clarifies it a bit so it looks closer to a real-world example.
This commit is contained in:
Solly Ross 2018-08-28 13:45:55 -04:00
parent b755cf7f93
commit 262493780f
1 changed files with 4 additions and 2 deletions
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README.md
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@ -130,7 +130,9 @@ the "discovery" and "naming" parts of the configuration. Then, you can write
whichever metrics you want in the `metricsQuery`! The series query can contain whichever metrics you want in the `metricsQuery`! The series query can contain
whichever metrics you want, as long as they have the right set of labels. whichever metrics you want, as long as they have the right set of labels.
For example, if you have two metrics `foo_total` and `foo_count`, you might write For example, suppose you have two metrics `foo_total` and `foo_count`,
both with the label `system_name`, which represents the `node` resource.
Then, you might write
```yaml ```yaml
rules: rules:
@ -139,7 +141,7 @@ rules:
name: name:
matches: 'foo_total' matches: 'foo_total'
as: 'foo' as: 'foo'
metricsQuery: 'sum(foo_total) by (<<.GroupBy>>) / sum(foo_count) by (<<.GroupBy>>)' metricsQuery: 'sum(foo_total{<<.LabelMatchers>>}) by (<<.GroupBy>>) / sum(foo_count{<<.LabelMatchers>>}) by (<<.GroupBy>>)'
``` ```
### I get errors about SubjectAccessReviews/system:anonymous/TLS/Certificates/RequestHeader! ### I get errors about SubjectAccessReviews/system:anonymous/TLS/Certificates/RequestHeader!