yongjinhou commented on code in PR #24229:
URL: https://github.com/apache/doris/pull/24229#discussion_r1324341703
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docs/zh-CN/docs/sql-manual/sql-reference/Show-Statements/SHOW-BACKENDS-DISKS.md:
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@@ -0,0 +1,67 @@
+---
+{
+ "title": "SHOW-BACKENDS-DISKS",
+ "language": "zh-CN"
+}
+---
+
+<!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements. See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership. The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License. You may obtain a copy of the License at
+ http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied. See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+## SHOW-BACKENDS-DISKS
+
+### Name
+
+SHOW BACKENDS DISKS
+
+### Description
+
+ 该语句用于查看 BE 节点的数据目录对应的磁盘信息。
+
+ 语法：
+
+```sql
+SHOW BACKENDS DISKS;
+```
+
+说明：
+1. Name 表示该 BE 节点的 ID。
+2. Host 表示该 BE 节点的 IP。
+3. RootPath 表示该 BE 节点的数据目录。
+4. TotalCapacity 表示数据目录对应磁盘的总容量。
+5. DataUsedCapacity 表示磁盘中用户数据所占用的空间。
+6. RemoteUsedCapacity 表示磁盘中上传到对象存储的的大小。
+7. TrashUsedCapacity 表示磁盘中垃圾数据占用的空间。
+8. DiskUsedCapacity 表示磁盘的已使用空间。
+9. AvailableCapacity 表示磁盘的可使用空间。
+10. UsedPct 表示磁盘的使用百分比。
+11. StorageMedium 表示磁盘的存储介质。
+
+### Example
+`
+mysql> show backends disks;
++-----------+-------------+--------------------------------+---------------+------------------+--------------------+-------------------+------------------+-------------------+---------+---------------+
+| BackendId | Host | RootPath | TotalCapacity |
DataUsedCapacity | RemoteUsedCapacity | TrashUsedCapacity | DiskUsedCapacity |
AvailableCapacity | UsedPct | StorageMedium |
++-----------+-------------+--------------------------------+---------------+------------------+--------------------+-------------------+------------------+-------------------+---------+---------------+
+| 10004 | 10.xx.xx.90 | /home/disk1/storage | 7.049 TB |
0.000 | 0.000 | 0.000 | 2.465 TB |
4.585 TB | 34.96 % | HDD |
+| 10005 | 10.xx.xx.91 | /home/disk1/storage | 7.049 TB |
0.000 | 0.000 | 0.000 | 1.858 TB |
5.192 TB | 26.35 % | HDD |
++-----------+-------------+--------------------------------+---------------+------------------+--------------------+-------------------+------------------+-------------------+---------+---------------+
+2 rows in set (0.00 sec)
+`
+### Keywords
+
+ SHOW, BACKENDS
Review Comment:
I will add it when implementing corresponding tvf.
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