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Loki: Add documentation for step variable (#70358)

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Ivana Huckova
2023-06-20 17:54:08 +02:00
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docs/sources/datasources/loki/query-editor/index.md
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@ -213,6 +213,7 @@ This section is only shown if the `Explain query` switch from the query editor t
| **Type** | Selects the query type to run. The `instant` type queries against a single point in time. We use the "To" time from the time range. The `range` type queries over the selected range of time. |
| **Line limit** | Defines the upper limit for the number of log lines returned by a query. The default is Loki's configured maximum lines limit. |
| **Legend** | _(Available only in a dashboard)_ Controls the time series name, using a name or pattern. For example, `{{hostname}}` is replaced with the label value for the label `hostname`. |
| **Step** | Sets the step parameter of Loki metrics queries. The default value equals to the value of `$__interval` variable, which is calculated using the time range and the width of the graph (the number of pixels). |
| **Resolution** | Sets the step parameter of Loki metrics range queries. With a resolution of `1/1`, each pixel corresponds to one data point. `1/2` retrieves one data point for every other pixel, `1/10` retrieves one data point per 10 pixels, and so on. Lower resolutions perform better. |
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