From 6cbb06c313ebafdac545564c50ffca2fed546d4d Mon Sep 17 00:00:00 2001
From: LinMingQiang <1356469429@qq.com>
Date: Tue, 31 Dec 2024 09:34:28 +0800
Subject: [PATCH] [doc] Add a note to the delete branch operation to explain
 its behavior

---
 docs/content/maintenance/manage-branches.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/docs/content/maintenance/manage-branches.md b/docs/content/maintenance/manage-branches.md
index 2da92056a829..7b18583709c7 100644
--- a/docs/content/maintenance/manage-branches.md
+++ b/docs/content/maintenance/manage-branches.md
@@ -87,6 +87,10 @@ CALL sys.create_branch('default.T', 'empty_branch');
 
 You can delete branch by its name.
 
+{{< hint warning >}}
+__Note:__ The `Delete Branches` operation only deletes the metadata file. If you want to clear the data written during the branch, use [remove_orphan_files]({{< ref "flink/procedures" >}})
+{{< /hint >}}
+
 {{< tabs "delete-branches" >}}
 
 {{< tab "Flink SQL" >}}