wu-sheng commented on a change in pull request #6608:
URL: https://github.com/apache/skywalking/pull/6608#discussion_r601199063
##########
File path: docs/en/concepts-and-designs/mal.md
##########
@@ -57,6 +57,27 @@ For example, this filters all instance_trace_count samples
for values >= 33:
```
instance_trace_count.valueGreaterEqual(33)
```
+### K8s
+MAL support add specific Labels to the samples that collect from K8s metrics
collectors.
+This feature need OAP Server has the authority to access the K8s's `API
Server`.
+#### retagByK8sMeta
+`retagByK8sMeta(newLabelName, K8sRetagType, existingLabelName)`. Add a new
label to the sample family based on an existing label's value. Provide several
internal converting types, including
+- K8sRetagType.Pod2Service
Review comment:
```suggestion
- K8sRetagType.Pod2Service
```
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