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docs(prometheus): updates invalid template example

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bergquist 2017-07-12 07:37:44 +02:00
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docs/sources/features/datasources/prometheus.md
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@ -78,7 +78,7 @@ For details of *metric names*, *label names* and *label values* are please refer
There are two syntaxes:
- `$<varname>` Example: rate(http_requests_total{job=~"$job"}[5m])
- `[[varname]]` Example: rate(http_requests_total{job="my[[job]]"}[5m])
- `[[varname]]` Example: rate(http_requests_total{job=~"[[job]]"}[5m])
Why two ways? The first syntax is easier to read and write but does not allow you to use a variable in the middle of a word. When the *Multi-value* or *Include all value*
options are enabled, Grafana converts the labels from plain text to a regex compatible string. Which means you have to use `=~` instead of `=`.