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new 96829da Fix words in alarm doc (#7811)
96829da is described below
commit 96829da89ae0a7f4ef069ac97cbdc5b441efb434
Author: 吴晟 Wu Sheng <[email protected]>
AuthorDate: Mon Sep 27 09:05:58 2021 +0800
Fix words in alarm doc (#7811)
---
docs/en/setup/backend/backend-alarm.md | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/docs/en/setup/backend/backend-alarm.md
b/docs/en/setup/backend/backend-alarm.md
index 7e6e34f..f6e7782 100644
--- a/docs/en/setup/backend/backend-alarm.md
+++ b/docs/en/setup/backend/backend-alarm.md
@@ -41,7 +41,7 @@ For multiple-value metrics, such as **percentile**, the
threshold is an array. I
Each value may serve as the threshold for each value of the metrics. Set the
value to `-` if you do not wish to trigger the alarm by one or more of the
values.
For example in **percentile**, `value1` is the threshold of P50, and `-, -,
value3, value4, value5` means that there is no threshold for P50 and P75 in the
percentile alarm rule.
- **OP**. The operator. It supports `>`, `>=`, `<`, `<=`, `=`. We welcome
contributions of all OPs.
-- **Period**. The frequency for checking the alarm rule. This is a time window
that corresponds to the backend deployment env time.
+- **Period**. The size of metrics cache in minutes for checking the alarm
conditions. This is a time window that corresponds to the backend deployment
env time.
- **Count**. Within a period window, if the number of times which **value**
goes over the threshold (based on OP) reaches `count`, then an alarm will be
sent.
- **Only as condition**. Indicates if the rule can send notifications, or if
it simply serves as an condition of the composite rule.
- **Silence period**. After the alarm is triggered in Time-N, there will be
silence during the **TN -> TN + period**.
