From 9273ec149e41c71ab8cecd5bb05fc0b1c3ee3eb2 Mon Sep 17 00:00:00 2001
From: wade zhang <95411902+gccgdb1234@users.noreply.github.com>
Date: Mon, 10 Oct 2022 09:39:29 +0800
Subject: [PATCH] Update 21-node.md

---
 docs/en/12-taos-sql/21-node.md | 16 ----------------
 1 file changed, 16 deletions(-)

diff --git a/docs/en/12-taos-sql/21-node.md b/docs/en/12-taos-sql/21-node.md
index 8bb895f73c..81a7931cbf 100644
--- a/docs/en/12-taos-sql/21-node.md
+++ b/docs/en/12-taos-sql/21-node.md
@@ -136,19 +136,3 @@ The parameters that you can modify through this statement are the same as those
 ```sql
 SHOW LOCAL VARIABLES;
 ```
-
-## Combine Vgroups
-
-```sql
-MERGE VGROUP vgroup_no1 vgroup_no2;
-```
-
-If load and data are not properly balanced among vgroups due to the data in different tim lines having different characteristics, you can combine or separate vgroups.
-
-## Separate Vgroups
-
-```sql
-SPLIT VGROUP vgroup_no;
-```
-
-This statement creates a new vgroup and migrates part of the data from the original vgroup to the new vgroup with consistent hashing. During this process, the original vgroup can continue to provide services normally.