diff --git a/docs/configuration/configuration.md b/docs/configuration/configuration.md index da8a6accf..5b8b70ea4 100644 --- a/docs/configuration/configuration.md +++ b/docs/configuration/configuration.md @@ -1028,7 +1028,8 @@ Additional labels prefixed with `__meta_` may be available during the relabeling phase. They are set by the service discovery mechanism that provided the target and vary between mechanisms. -Labels starting with `__` will be removed from the label set after relabeling is completed. +Labels starting with `__` will be removed from the label set after target +relabeling is completed. If a relabeling step needs to store a label value only temporarily (as the input to a subsequent relabeling step), use the `__tmp` label name prefix. This