wu-sheng commented on code in PR #13539:
URL: https://github.com/apache/skywalking/pull/13539#discussion_r2532330448
##########
docs/en/setup/backend/backend-alarm.md:
##########
@@ -430,15 +501,37 @@ the sliding window will be destroyed and re-created,
causing the Alarm of this s
### Keys with data types of alerting rule configuration file
-| Alerting element | Configuration property key | Type |
Description |
-|----------------------|----------------------------|----------------|--------------------|
-| Expression | expression | string | MQE
expression |
-| Include names | include-names | string array |
|
-| Exclude names | exclude-names | string array |
|
-| Include names regex | include-names-regex | string | Java
regex Pattern |
-| Exclude names regex | exclude-names-regex | string | Java
regex Pattern |
-| Tags | tags | key-value pair |
|
-| Period | Period | int |
|
-| Silence period | silence-period | int |
|
-| Message | message | string |
|
-| Hooks | hooks | string array |
|
+| Alerting element | Configuration property key | Type |
Description |
+| --------------------------- | --------------------------- | -------------- |
------------------ |
+| Expression | expression | string |
MQE expression |
+| Include names | include-names | string array |
|
+| Exclude names | exclude-names | string array |
|
+| Include names regex | include-names-regex | string |
Java regex Pattern |
+| Exclude names regex | exclude-names-regex | string |
Java regex Pattern |
+| Tags | tags | key-value pair |
|
+| Period | period | int |
|
+| Silence period | silence-period | int |
|
+| Recovery observation period | recovery-observation-period | int |
|
+| Message | message | string |
|
+| Hooks | hooks | string array |
|
+
+## Alarm state transition
+The overall alarm state transition after the introduction of alarm restoration
detection and notification since version 10.4.0 is as follows:
+```mermaid
Review Comment:
Recommended English term for triggering event.
- Expression evaluated true
- Expression true, but in silence period
- Expression evaluated false
- Expression false, in recovery window
And from the preview page, you can see, these two labels are hard to tell
from which transition.
<img width="1897" height="1379" alt="Image"
src="https://github.com/user-attachments/assets/2cf2f7b6-b746-4ecb-a22f-435117c89f6f";
/>
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