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Added OR condition in docs

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utkarshcmu 2016-11-15 22:43:09 -08:00
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commit f46c4c88ca
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docs/sources/alerting/rules.md
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@ -55,7 +55,10 @@ Currently the only condition type that exists is a `Query` condition that allows
specify a query letter, time range and an aggregation function. The letter refers to
a query you already have added in the **Metrics** tab. The result from the query and the aggregation function is
a single value that is then used in the threshold check. The query used in an alert rule cannot
contain any template variables. Currently we only support `AND` operator between conditions.
contain any template variables. Currently we only support `AND` and `OR` operators between conditions and they are executed serially.
For example, we have 3 conditions in the following order:
`condition:A(evaluates to: TRUE) OR condition:B(evaluates to: FALSE) AND condition:C(evaluates to: TRUE)`
so the result will be calculated as ((TRUE OR FALSE) AND TRUE) = TRUE.
We plan to add other condition types in the future, like `Other Alert`, where you can include the state
of another alert in your conditions, and `Time Of Day`.