jackwener commented on a change in pull request #7422:
URL: https://github.com/apache/incubator-doris/pull/7422#discussion_r775405360



##########
File path: docs/en/community/security.md
##########
@@ -0,0 +1,38 @@
+---
+{
+    "title": "Security",
+    "language": "en"
+}
+---
+
+<!--
+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.
+-->
+
+# 安全

Review comment:
       there is chinese

##########
File path: docs/en/community/security.md
##########
@@ -0,0 +1,38 @@
+---
+{
+    "title": "Security",
+    "language": "en"
+}
+---
+
+<!--
+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.
+-->
+
+# 安全

Review comment:
       ```suggestion
   # Security
   ```

##########
File path: docs/en/faq/faq.md
##########
@@ -316,4 +316,27 @@ One situation is OVERCROWDED, which means that a large 
amount of unsent data at
 
 The second is that the packet size of rpc exceeds `max_body_size`. This 
problem may occur if the query contains a very large String type or a Bitmap 
type. It can be circumvented by modifying the following BE parameters:
 
-1. `brpc_max_body_size`: The default is 200MB, if necessary, it can be 
modified to 3GB (in bytes).
\ No newline at end of file
+1. `brpc_max_body_size`: The default is 200MB, if necessary, it can be 
modified to 3GB (in bytes).
+
+### Q22.  The query results of unique key model are inconsistent
+
+In some cases, when users use the same SQL to query a table of a unique key 
model, inconsistent query results may occur. And the query results always 
change between 2-3 kinds.
+
+This may be because there are data with the same key but different values in 
the same batch of imported data, which will lead to inconsistent results 
between different replicas due to uncertain data replace order.
+
+For example, tables are defined as k1 and v1. A batch of imported data is as 
follows:
+
+```
+1, "abc"
+1, "def"
+```
+
+Then the result of replica 1 may be '1, "ABC', while the result of replica 2 
may be '1," def'. This leads to inconsistent query results.
+
+To ensure the unique data order between different replicas, refer to the  
[Sequence Column](../administrator-guide/load-data/sequence-column-manual.md) 
function.
+
+### Q23. ` recoveryTracker should overlap or follow on disk last VLSN of 
4,422,880 recoveryFirst= 4,422,882 UNEXPECTED_STATE_FATAL`

Review comment:
       redundant space.




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