diff --git a/docs/sources/alerting/best-practices/missing-data.md b/docs/sources/alerting/best-practices/missing-data.md
index b4997452cb2..ac527d305b8 100644
--- a/docs/sources/alerting/best-practices/missing-data.md
+++ b/docs/sources/alerting/best-practices/missing-data.md
@@ -88,8 +88,7 @@ The following tables illustrate both scenarios using the previous example, with
| :---- | :--------- | :--------- | :--------------------------- |
| 00:00 | 1.5s π’ | 1s π’ | β
No Alert |
| 01:00 | No Data β οΈ | No Data β οΈ | β οΈ No Alert (Silent Failure) |
-| 02:00 | No Data β οΈ | No Data β οΈ | β οΈ No Alert (Silent Failure) |
-| 03:00 | 1.4s π’ | 1s π’ | β
No Alert |
+| 02:00 | 1.4s π’ | 1s π’ | β
No Alert |
**MissingSeries Scenario:** Only a specific series (`region2`) disappears:
@@ -97,8 +96,7 @@ The following tables illustrate both scenarios using the previous example, with
| :---- | :------ | :---------------- | :--------------------------- |
| 00:00 | 1.5s π’ | 1s π’ | β
No Alert |
| 01:00 | 1.6s π’ | Missing Series β οΈ | β οΈ No Alert (Silent Failure) |
-| 02:00 | 1.6s π’ | Missing Series β οΈ | β οΈ No Alert (Silent Failure) |
-| 03:00 | 1.4s π’ | 1s π’ | β
No Alert |
+| 02:00 | 1.4s π’ | 1s π’ | β
No Alert |
In both cases, something broke silently.
@@ -162,14 +160,13 @@ Grafana marks missing series as [**stale**](ref:stale-alert-instances) after two
If an alert instance becomes stale, youβll find it in the [alert history](ref:alert-history) as `Normal (Missing Series)` before it disappears. This table shows the eviction process from the previous example:
-| Time | region1 | region2 | Alert triggered |
-| :---- | :-------------------- | :--------------------------------- | :--------------------------------------------------------------------------------------------- |
-| 00:00 | 1.5s π’ | 1s π’ | π’π’ No Alerts |
-| 01:00 | 3s π΄
`Alerting` | 3s π΄
`Alerting` | π΄π΄ Alert instances triggered for both regions |
-| 02:00 | 1.6s π’ | MissingSeries β οΈ
`Alerting` οΈ | π’π΄ Region2 missing, state maintained. |
-| 03:00 | 1.6s π’ | MissingSeries β οΈ `Alerting`οΈ | π’π΄Region2 missing, state maintained. |
-| 04:00 | 1.4s π’ | β | π’ π’ `region2` Normal (Missing Series), resolved, and instance evicted; π© Notification sent. |
-| 05:00 | 1.4s π’ | β | π’ No Alerts |
+| Time | region1 | region2 | Alert triggered |
+| :---- | :-------------------- | :------------------------------------ | :----------------------------------------------------------------------- |
+| 00:00 | 1.5s π’ | 1s π’ | π’π’ No Alerts |
+| 01:00 | 3s π΄
`Alerting` | 3s π΄
`Alerting` | π΄π΄ Alert instances triggered for both regions |
+| 02:00 | 1.6s π’ | `(MissingSeries)`β οΈ
`Alerting` οΈ | π’π΄ Region2 missing, state maintained. |
+| 03:00 | 1.4s π’ | `(MissingSeries)`
`Normal` | π’π’ `region2` was resolved, π© notification sent, and instance evicted. |
+| 04:00 | 1.4s π’ | β | π’ No Alerts. `region2` was evicted. |
###
diff --git a/docs/sources/alerting/fundamentals/alert-rule-evaluation/stale-alert-instances.md b/docs/sources/alerting/fundamentals/alert-rule-evaluation/stale-alert-instances.md
index 8b8227c7027..50983640285 100644
--- a/docs/sources/alerting/fundamentals/alert-rule-evaluation/stale-alert-instances.md
+++ b/docs/sources/alerting/fundamentals/alert-rule-evaluation/stale-alert-instances.md
@@ -39,10 +39,10 @@ This is different from the [**No Data** state](ref:no-data-state), which occurs
A stale alert instance transitions to the **Normal (MissingSeries)** state as **Resolved**, and is then evicted:
-| Eval. Interval | 1 | 2 | 3 | 4 | 5 |
-| :--------------- | :-- | :-------------- | :-------------- | :-- | :-- |
-| Alert instance A | β | β | β | β | β |
-| Alert instance B | β | `MissingSeries` | `MissingSeries` | οΈπ© | |
+| Eval. Interval | 1 | 2 | 3 | 4 |
+| :--------------- | :-- | :-------------- | :--------------------------------------- | :-- |
+| Alert instance A | β | β | β | β |
+| Alert instance B | β | `MissingSeries` | οΈ`Normal(MissingSeries)` π©\* | |
{{< admonition type="note" >}}
@@ -60,9 +60,9 @@ The process for handling stale alert instances is as follows:
1. Grafana keeps the previous state of the alert instance for the number of evaluation intervals specified in [Missing series evaluations to resolve](#configure-missing-series-evaluations-to-resolve).
-1. If it remains missing after two intervals, it transitions to the **Normal** state and sets **MissingSeries** in the `grafana_state_reason` annotation.
+1. If it remains missing after the specified number of evaluation intervals (2 by default), it transitions to the **Normal** state and sets **MissingSeries** in the `grafana_state_reason` annotation.
-1. Stale alert instances in the **Alerting**, **No Data**, or **Error** states transition to the **Normal** state as **Resolved**, and are routed for notifications like other resolved alerts.
+ Stale alert instances in the **Alerting**, **No Data**, or **Error** states transition to the **Normal** state as **Resolved**, and are routed for notifications like other resolved alerts.
1. The alert instance is removed from the UI.