morningman commented on a change in pull request #5101:
URL: https://github.com/apache/incubator-doris/pull/5101#discussion_r549356772
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File path:
docs/zh-CN/administrator-guide/http-actions/tablet-migration-action.md
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@@ -0,0 +1,51 @@
+---
+{
+ "title": "MIGRATE SINGLE TABLET TO A PARTICULAR DISK",
+ "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.
+-->
+
+# MIGRATE SINGLE TABLET TO A PARTICULAR DISK
+
+在BE节点上迁移单个tablet到指定磁盘
+
+```
+curl -X GET
http://be_host:webserver_port/tablet_migration?tablet_id=xxx&schema_hash=xxx&disk=xxx
+```
+
+返回值就是tablet迁移结果，迁移成功会返回：
Review comment:
迁移可能是一个非常长的过程，如果是同步接口的话，可能会导致客户端hang住很长时间？
是否可以考虑做成一个异步接口，调用方只是触发一个 storage_migration的 task放入队列即返回？
然后可以通过接口来查询这个任务是否在运行？类似 http/action/compaction_action 那样?
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