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The following commit(s) were added to refs/heads/main by this push:
     new f21e1ba1 fix dn_thrift_max_frame_size default value (#1048)
f21e1ba1 is described below

commit f21e1ba1f64bbd8b7d53d4cff07f51df37d54bac
Author: leto-b <[email protected]>
AuthorDate: Thu Mar 26 19:09:00 2026 +0800

    fix dn_thrift_max_frame_size default value (#1048)
---
 .../Master/Table/Reference/System-Config-Manual_apache.md   | 12 ++++++------
 .../Master/Table/Reference/System-Config-Manual_timecho.md  | 12 ++++++------
 .../Master/Tree/Reference/DataNode-Config-Manual_apache.md  | 13 ++++++-------
 .../Master/Tree/Reference/DataNode-Config-Manual_timecho.md | 13 ++++++-------
 .../latest-Table/Reference/System-Config-Manual_apache.md   | 12 ++++++------
 .../latest-Table/Reference/System-Config-Manual_timecho.md  | 12 ++++++------
 .../latest/Reference/DataNode-Config-Manual_apache.md       | 13 ++++++-------
 .../latest/Reference/DataNode-Config-Manual_timecho.md      | 13 ++++++-------
 .../Master/Table/Reference/System-Config-Manual_apache.md   | 12 ++++++------
 .../Master/Table/Reference/System-Config-Manual_timecho.md  | 12 ++++++------
 .../Master/Tree/Reference/DataNode-Config-Manual_apache.md  | 12 ++++++------
 .../Master/Tree/Reference/DataNode-Config-Manual_timecho.md | 12 ++++++------
 .../latest-Table/Reference/System-Config-Manual_apache.md   | 12 ++++++------
 .../latest-Table/Reference/System-Config-Manual_timecho.md  | 12 ++++++------
 .../latest/Reference/DataNode-Config-Manual_apache.md       | 12 ++++++------
 .../latest/Reference/DataNode-Config-Manual_timecho.md      | 12 ++++++------
 16 files changed, 96 insertions(+), 100 deletions(-)

diff --git 
a/src/UserGuide/Master/Table/Reference/System-Config-Manual_apache.md 
b/src/UserGuide/Master/Table/Reference/System-Config-Manual_apache.md
index c7006be4..2aeddc93 100644
--- a/src/UserGuide/Master/Table/Reference/System-Config-Manual_apache.md
+++ b/src/UserGuide/Master/Table/Reference/System-Config-Manual_apache.md
@@ -662,12 +662,12 @@ The `iotdb-system.properties` file contains various 
configurations for managing
 
 - dn_thrift_max_frame_size
 
-| Name        | dn_thrift_max_frame_size                       |
-| ----------- |------------------------------------------------|
-| Description | Maximum frame size for RPC requests/responses. |
-| Type        | long                                           |
-| Default     | 536870912 (Default 512MB)                      |
-| Effective   | Restart required.                              |
+| Name        | dn_thrift_max_frame_size                                       
                                                                                
                                                                                
                                                |
+| ----------- 
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| Description | Maximum frame size for RPC requests/responses.                 
                                                                                
                                                                                
                                                |
+| Type        | int                                                            
                                                                                
                                                                                
                                                |
+| Default     | Defaults to 0, which means the value is automatically 
calculated based on the DN JVM configuration parameters at startup:<br>a. 
min(64MB, dn_alloc_memory/64)<br>b. If the user manually configures 
`dn_thrift_max_frame_size`, the user-specified value will be used instead. |
+| Effective   | Restart required.                                              
                                                                                
                                                                                
                                                |
 
 - dn_thrift_init_buffer_size
 
diff --git 
a/src/UserGuide/Master/Table/Reference/System-Config-Manual_timecho.md 
b/src/UserGuide/Master/Table/Reference/System-Config-Manual_timecho.md
index d32adb55..5f81aad5 100644
--- a/src/UserGuide/Master/Table/Reference/System-Config-Manual_timecho.md
+++ b/src/UserGuide/Master/Table/Reference/System-Config-Manual_timecho.md
@@ -663,12 +663,12 @@ The `iotdb-system.properties` file contains various 
configurations for managing
 
 - dn_thrift_max_frame_size
 
-| Name        | dn_thrift_max_frame_size                       |
-| ----------- |------------------------------------------------|
-| Description | Maximum frame size for RPC requests/responses. |
-| Type        | long                                           |
-| Default     | 536870912 (Default 512MB)                      |
-| Effective   | Restart required.                              |
+| Name        | dn_thrift_max_frame_size                                       
                                                                                
                                                                                
                                                |
+| ----------- 
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| Description | Maximum frame size for RPC requests/responses.                 
                                                                                
                                                                                
                                                |
+| Type        | int                                                            
                                                                                
                                                                                
                                                |
+| Default     | Defaults to 0, which means the value is automatically 
calculated based on the DN JVM configuration parameters at startup:<br>a. 
min(64MB, dn_alloc_memory/64)<br>b. If the user manually configures 
`dn_thrift_max_frame_size`, the user-specified value will be used instead. |
+| Effective   | Restart required.                                              
                                                                                
                                                                                
                                                |
 
 - dn_thrift_init_buffer_size
 
diff --git 
a/src/UserGuide/Master/Tree/Reference/DataNode-Config-Manual_apache.md 
b/src/UserGuide/Master/Tree/Reference/DataNode-Config-Manual_apache.md
index 7a29511b..68f44328 100644
--- a/src/UserGuide/Master/Tree/Reference/DataNode-Config-Manual_apache.md
+++ b/src/UserGuide/Master/Tree/Reference/DataNode-Config-Manual_apache.md
@@ -276,13 +276,12 @@ The permission definitions are in 
${IOTDB\_CONF}/conf/jmx.access.
 
 * dn\_thrift\_max\_frame\_size
 
-|Name| dn\_thrift\_max\_frame\_size |
-|:---:|:---|
-|Description| Max size of bytes of each thrift RPC request/response|
-|Type| Long |
-|Unit|Byte|
-|Default| 536870912 |
-|Effective|After restarting system|
+|Name| dn\_thrift\_max\_frame\_size                          |
+|:---:|:------------------------------------------------------|
+|Description| Max size of bytes of each thrift RPC request/response |
+|Type| int                                                   | 
+| Default     | Defaults to 0, which means the value is automatically 
calculated based on the DN JVM configuration parameters at startup:<br>a. 
min(64MB, dn_alloc_memory/64)<br>b. If the user manually configures 
`dn_thrift_max_frame_size`, the user-specified value will be used instead. |
+|Effective| After restarting system                               |
 
 * dn\_thrift\_init\_buffer\_size
 
diff --git 
a/src/UserGuide/Master/Tree/Reference/DataNode-Config-Manual_timecho.md 
b/src/UserGuide/Master/Tree/Reference/DataNode-Config-Manual_timecho.md
index 186113be..13ca8693 100644
--- a/src/UserGuide/Master/Tree/Reference/DataNode-Config-Manual_timecho.md
+++ b/src/UserGuide/Master/Tree/Reference/DataNode-Config-Manual_timecho.md
@@ -276,13 +276,12 @@ The permission definitions are in 
${IOTDB\_CONF}/conf/jmx.access.
 
 * dn\_thrift\_max\_frame\_size
 
-|Name| dn\_thrift\_max\_frame\_size |
-|:---:|:---|
-|Description| Max size of bytes of each thrift RPC request/response|
-|Type| Long |
-|Unit|Byte|
-|Default| 536870912 |
-|Effective|After restarting system|
+|Name| dn\_thrift\_max\_frame\_size                                            
                                                                                
                                                                                
                                       |
+|:---:|:-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+|Description| Max size of bytes of each thrift RPC request/response            
                                                                                
                                                                                
                                              |
+|Type| int                                                                     
                                                                                
                                                                                
                                       | 
+| Default     | Defaults to 0, which means the value is automatically 
calculated based on the DN JVM configuration parameters at startup:<br>a. 
min(64MB, dn_alloc_memory/64)<br>b. If the user manually configures 
`dn_thrift_max_frame_size`, the user-specified value will be used instead. |
+|Effective| After restarting system                                            
                                                                                
                                                                                
                                            |
 
 * dn\_thrift\_init\_buffer\_size
 
diff --git 
a/src/UserGuide/latest-Table/Reference/System-Config-Manual_apache.md 
b/src/UserGuide/latest-Table/Reference/System-Config-Manual_apache.md
index c7006be4..2aeddc93 100644
--- a/src/UserGuide/latest-Table/Reference/System-Config-Manual_apache.md
+++ b/src/UserGuide/latest-Table/Reference/System-Config-Manual_apache.md
@@ -662,12 +662,12 @@ The `iotdb-system.properties` file contains various 
configurations for managing
 
 - dn_thrift_max_frame_size
 
-| Name        | dn_thrift_max_frame_size                       |
-| ----------- |------------------------------------------------|
-| Description | Maximum frame size for RPC requests/responses. |
-| Type        | long                                           |
-| Default     | 536870912 (Default 512MB)                      |
-| Effective   | Restart required.                              |
+| Name        | dn_thrift_max_frame_size                                       
                                                                                
                                                                                
                                                |
+| ----------- 
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| Description | Maximum frame size for RPC requests/responses.                 
                                                                                
                                                                                
                                                |
+| Type        | int                                                            
                                                                                
                                                                                
                                                |
+| Default     | Defaults to 0, which means the value is automatically 
calculated based on the DN JVM configuration parameters at startup:<br>a. 
min(64MB, dn_alloc_memory/64)<br>b. If the user manually configures 
`dn_thrift_max_frame_size`, the user-specified value will be used instead. |
+| Effective   | Restart required.                                              
                                                                                
                                                                                
                                                |
 
 - dn_thrift_init_buffer_size
 
diff --git 
a/src/UserGuide/latest-Table/Reference/System-Config-Manual_timecho.md 
b/src/UserGuide/latest-Table/Reference/System-Config-Manual_timecho.md
index d32adb55..5f81aad5 100644
--- a/src/UserGuide/latest-Table/Reference/System-Config-Manual_timecho.md
+++ b/src/UserGuide/latest-Table/Reference/System-Config-Manual_timecho.md
@@ -663,12 +663,12 @@ The `iotdb-system.properties` file contains various 
configurations for managing
 
 - dn_thrift_max_frame_size
 
-| Name        | dn_thrift_max_frame_size                       |
-| ----------- |------------------------------------------------|
-| Description | Maximum frame size for RPC requests/responses. |
-| Type        | long                                           |
-| Default     | 536870912 (Default 512MB)                      |
-| Effective   | Restart required.                              |
+| Name        | dn_thrift_max_frame_size                                       
                                                                                
                                                                                
                                                |
+| ----------- 
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| Description | Maximum frame size for RPC requests/responses.                 
                                                                                
                                                                                
                                                |
+| Type        | int                                                            
                                                                                
                                                                                
                                                |
+| Default     | Defaults to 0, which means the value is automatically 
calculated based on the DN JVM configuration parameters at startup:<br>a. 
min(64MB, dn_alloc_memory/64)<br>b. If the user manually configures 
`dn_thrift_max_frame_size`, the user-specified value will be used instead. |
+| Effective   | Restart required.                                              
                                                                                
                                                                                
                                                |
 
 - dn_thrift_init_buffer_size
 
diff --git a/src/UserGuide/latest/Reference/DataNode-Config-Manual_apache.md 
b/src/UserGuide/latest/Reference/DataNode-Config-Manual_apache.md
index 7a29511b..68f44328 100644
--- a/src/UserGuide/latest/Reference/DataNode-Config-Manual_apache.md
+++ b/src/UserGuide/latest/Reference/DataNode-Config-Manual_apache.md
@@ -276,13 +276,12 @@ The permission definitions are in 
${IOTDB\_CONF}/conf/jmx.access.
 
 * dn\_thrift\_max\_frame\_size
 
-|Name| dn\_thrift\_max\_frame\_size |
-|:---:|:---|
-|Description| Max size of bytes of each thrift RPC request/response|
-|Type| Long |
-|Unit|Byte|
-|Default| 536870912 |
-|Effective|After restarting system|
+|Name| dn\_thrift\_max\_frame\_size                          |
+|:---:|:------------------------------------------------------|
+|Description| Max size of bytes of each thrift RPC request/response |
+|Type| int                                                   | 
+| Default     | Defaults to 0, which means the value is automatically 
calculated based on the DN JVM configuration parameters at startup:<br>a. 
min(64MB, dn_alloc_memory/64)<br>b. If the user manually configures 
`dn_thrift_max_frame_size`, the user-specified value will be used instead. |
+|Effective| After restarting system                               |
 
 * dn\_thrift\_init\_buffer\_size
 
diff --git a/src/UserGuide/latest/Reference/DataNode-Config-Manual_timecho.md 
b/src/UserGuide/latest/Reference/DataNode-Config-Manual_timecho.md
index 186113be..13ca8693 100644
--- a/src/UserGuide/latest/Reference/DataNode-Config-Manual_timecho.md
+++ b/src/UserGuide/latest/Reference/DataNode-Config-Manual_timecho.md
@@ -276,13 +276,12 @@ The permission definitions are in 
${IOTDB\_CONF}/conf/jmx.access.
 
 * dn\_thrift\_max\_frame\_size
 
-|Name| dn\_thrift\_max\_frame\_size |
-|:---:|:---|
-|Description| Max size of bytes of each thrift RPC request/response|
-|Type| Long |
-|Unit|Byte|
-|Default| 536870912 |
-|Effective|After restarting system|
+|Name| dn\_thrift\_max\_frame\_size                                            
                                                                                
                                                                                
                                       |
+|:---:|:-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+|Description| Max size of bytes of each thrift RPC request/response            
                                                                                
                                                                                
                                              |
+|Type| int                                                                     
                                                                                
                                                                                
                                       | 
+| Default     | Defaults to 0, which means the value is automatically 
calculated based on the DN JVM configuration parameters at startup:<br>a. 
min(64MB, dn_alloc_memory/64)<br>b. If the user manually configures 
`dn_thrift_max_frame_size`, the user-specified value will be used instead. |
+|Effective| After restarting system                                            
                                                                                
                                                                                
                                            |
 
 * dn\_thrift\_init\_buffer\_size
 
diff --git 
a/src/zh/UserGuide/Master/Table/Reference/System-Config-Manual_apache.md 
b/src/zh/UserGuide/Master/Table/Reference/System-Config-Manual_apache.md
index 67282997..81ee6fd6 100644
--- a/src/zh/UserGuide/Master/Table/Reference/System-Config-Manual_apache.md
+++ b/src/zh/UserGuide/Master/Table/Reference/System-Config-Manual_apache.md
@@ -639,12 +639,12 @@ IoTDB 配置文件位于 IoTDB 安装目录:`conf`文件夹下。
 
 - dn_thrift_max_frame_size
 
-| 名字         | dn_thrift_max_frame_size                               |
-| ------------ | ------------------------------------------------------ |
-| 描述         | RPC 请求/响应的最大字节数                              |
-| 类型         | long                                                   |
-| 默认值       | 536870912 (默认值512MB) |
-| 改后生效方式 | 重启服务生效                                           |
+| 名字         | dn_thrift_max_frame_size                                        
                                                  |
+| ------------ 
|-------------------------------------------------------------------------------------------------------------------|
+| 描述         | RPC 请求/响应的最大字节数                                                 
                                                  |
+| 类型         | int                                                             
                                                  |
+|默认值| 默认为0,即根据启动时DNJVM的配置参数自动计算:<br>a. min(64MB, dn_alloc_memory/64) 
<br>b.若用户手动配置了dn_thrift_max_frame_size,仍然使用用户指定的大小 |
+| 改后生效方式 | 重启服务生效                                                              
                                              |
 
 - dn_thrift_init_buffer_size
 
diff --git 
a/src/zh/UserGuide/Master/Table/Reference/System-Config-Manual_timecho.md 
b/src/zh/UserGuide/Master/Table/Reference/System-Config-Manual_timecho.md
index b6ce9a09..0f40285f 100644
--- a/src/zh/UserGuide/Master/Table/Reference/System-Config-Manual_timecho.md
+++ b/src/zh/UserGuide/Master/Table/Reference/System-Config-Manual_timecho.md
@@ -639,12 +639,12 @@ IoTDB 配置文件位于 IoTDB 安装目录:`conf`文件夹下。
 
 - dn_thrift_max_frame_size
 
-| 名字         | dn_thrift_max_frame_size                               |
-| ------------ | ------------------------------------------------------ |
-| 描述         | RPC 请求/响应的最大字节数                              |
-| 类型         | long                                                   |
-| 默认值       | 536870912 (默认值512MB) |
-| 改后生效方式 | 重启服务生效                                           |
+| 名字         | dn_thrift_max_frame_size                                        
                                                  |
+| ------------ 
|-------------------------------------------------------------------------------------------------------------------|
+| 描述         | RPC 请求/响应的最大字节数                                                 
                                                  |
+| 类型         | int                                                             
                                                  |
+|默认值| 默认为0,即根据启动时DNJVM的配置参数自动计算:<br>a. min(64MB, dn_alloc_memory/64) 
<br>b.若用户手动配置了dn_thrift_max_frame_size,仍然使用用户指定的大小 |
+| 改后生效方式 | 重启服务生效                                                              
                                              |
 
 - dn_thrift_init_buffer_size
 
diff --git 
a/src/zh/UserGuide/Master/Tree/Reference/DataNode-Config-Manual_apache.md 
b/src/zh/UserGuide/Master/Tree/Reference/DataNode-Config-Manual_apache.md
index ac815af3..6e1db0ff 100644
--- a/src/zh/UserGuide/Master/Tree/Reference/DataNode-Config-Manual_apache.md
+++ b/src/zh/UserGuide/Master/Tree/Reference/DataNode-Config-Manual_apache.md
@@ -271,12 +271,12 @@ IoTDB DataNode 与 Standalone 模式共用一套配置文件,均位于 IoTDB 
 
 * dn\_thrift\_max\_frame\_size
 
-|名字| dn\_thrift\_max\_frame\_size |
-|:---:|:---|
-|描述| RPC 请求/响应的最大字节数|
-|类型| long |
-|默认值| 536870912 (默认值512MB) |
-|改后生效方式|重启服务生效|
+|名字| dn\_thrift\_max\_frame\_size                                              
                                        |
+|:---:|:------------------------------------------------------------------------------------------------------------------|
+|描述| RPC 请求/响应的最大字节数                                                           
                                        |
+|类型| int                                                                       
                                        |
+|默认值| 默认为0,即根据启动时DNJVM的配置参数自动计算:<br>a. min(64MB, dn_alloc_memory/64) 
<br>b.若用户手动配置了dn_thrift_max_frame_size,仍然使用用户指定的大小 |
+|改后生效方式| 重启服务生效                                                                
                                            |
 
 * dn\_thrift\_init\_buffer\_size
 
diff --git 
a/src/zh/UserGuide/Master/Tree/Reference/DataNode-Config-Manual_timecho.md 
b/src/zh/UserGuide/Master/Tree/Reference/DataNode-Config-Manual_timecho.md
index 141b9cc1..5c015426 100644
--- a/src/zh/UserGuide/Master/Tree/Reference/DataNode-Config-Manual_timecho.md
+++ b/src/zh/UserGuide/Master/Tree/Reference/DataNode-Config-Manual_timecho.md
@@ -271,12 +271,12 @@ IoTDB DataNode 与 Standalone 模式共用一套配置文件,均位于 IoTDB 
 
 * dn\_thrift\_max\_frame\_size
 
-|名字| dn\_thrift\_max\_frame\_size |
-|:---:|:---|
-|描述| RPC 请求/响应的最大字节数|
-|类型| long |
-|默认值| 536870912 (默认值512MB) |
-|改后生效方式|重启服务生效|
+|名字| dn\_thrift\_max\_frame\_size                                              
                                        |
+|:---:|:------------------------------------------------------------------------------------------------------------------|
+|描述| RPC 请求/响应的最大字节数                                                           
                                        |
+|类型| int                                                                       
                                        |
+|默认值| 默认为0,即根据启动时DNJVM的配置参数自动计算:<br>a. min(64MB, dn_alloc_memory/64) 
<br>b.若用户手动配置了dn_thrift_max_frame_size,仍然使用用户指定的大小 |
+|改后生效方式| 重启服务生效                                                                
                                            |
 
 * dn\_thrift\_init\_buffer\_size
 
diff --git 
a/src/zh/UserGuide/latest-Table/Reference/System-Config-Manual_apache.md 
b/src/zh/UserGuide/latest-Table/Reference/System-Config-Manual_apache.md
index 67282997..81ee6fd6 100644
--- a/src/zh/UserGuide/latest-Table/Reference/System-Config-Manual_apache.md
+++ b/src/zh/UserGuide/latest-Table/Reference/System-Config-Manual_apache.md
@@ -639,12 +639,12 @@ IoTDB 配置文件位于 IoTDB 安装目录:`conf`文件夹下。
 
 - dn_thrift_max_frame_size
 
-| 名字         | dn_thrift_max_frame_size                               |
-| ------------ | ------------------------------------------------------ |
-| 描述         | RPC 请求/响应的最大字节数                              |
-| 类型         | long                                                   |
-| 默认值       | 536870912 (默认值512MB) |
-| 改后生效方式 | 重启服务生效                                           |
+| 名字         | dn_thrift_max_frame_size                                        
                                                  |
+| ------------ 
|-------------------------------------------------------------------------------------------------------------------|
+| 描述         | RPC 请求/响应的最大字节数                                                 
                                                  |
+| 类型         | int                                                             
                                                  |
+|默认值| 默认为0,即根据启动时DNJVM的配置参数自动计算:<br>a. min(64MB, dn_alloc_memory/64) 
<br>b.若用户手动配置了dn_thrift_max_frame_size,仍然使用用户指定的大小 |
+| 改后生效方式 | 重启服务生效                                                              
                                              |
 
 - dn_thrift_init_buffer_size
 
diff --git 
a/src/zh/UserGuide/latest-Table/Reference/System-Config-Manual_timecho.md 
b/src/zh/UserGuide/latest-Table/Reference/System-Config-Manual_timecho.md
index b6ce9a09..0f40285f 100644
--- a/src/zh/UserGuide/latest-Table/Reference/System-Config-Manual_timecho.md
+++ b/src/zh/UserGuide/latest-Table/Reference/System-Config-Manual_timecho.md
@@ -639,12 +639,12 @@ IoTDB 配置文件位于 IoTDB 安装目录:`conf`文件夹下。
 
 - dn_thrift_max_frame_size
 
-| 名字         | dn_thrift_max_frame_size                               |
-| ------------ | ------------------------------------------------------ |
-| 描述         | RPC 请求/响应的最大字节数                              |
-| 类型         | long                                                   |
-| 默认值       | 536870912 (默认值512MB) |
-| 改后生效方式 | 重启服务生效                                           |
+| 名字         | dn_thrift_max_frame_size                                        
                                                  |
+| ------------ 
|-------------------------------------------------------------------------------------------------------------------|
+| 描述         | RPC 请求/响应的最大字节数                                                 
                                                  |
+| 类型         | int                                                             
                                                  |
+|默认值| 默认为0,即根据启动时DNJVM的配置参数自动计算:<br>a. min(64MB, dn_alloc_memory/64) 
<br>b.若用户手动配置了dn_thrift_max_frame_size,仍然使用用户指定的大小 |
+| 改后生效方式 | 重启服务生效                                                              
                                              |
 
 - dn_thrift_init_buffer_size
 
diff --git a/src/zh/UserGuide/latest/Reference/DataNode-Config-Manual_apache.md 
b/src/zh/UserGuide/latest/Reference/DataNode-Config-Manual_apache.md
index ac815af3..6e1db0ff 100644
--- a/src/zh/UserGuide/latest/Reference/DataNode-Config-Manual_apache.md
+++ b/src/zh/UserGuide/latest/Reference/DataNode-Config-Manual_apache.md
@@ -271,12 +271,12 @@ IoTDB DataNode 与 Standalone 模式共用一套配置文件,均位于 IoTDB 
 
 * dn\_thrift\_max\_frame\_size
 
-|名字| dn\_thrift\_max\_frame\_size |
-|:---:|:---|
-|描述| RPC 请求/响应的最大字节数|
-|类型| long |
-|默认值| 536870912 (默认值512MB) |
-|改后生效方式|重启服务生效|
+|名字| dn\_thrift\_max\_frame\_size                                              
                                        |
+|:---:|:------------------------------------------------------------------------------------------------------------------|
+|描述| RPC 请求/响应的最大字节数                                                           
                                        |
+|类型| int                                                                       
                                        |
+|默认值| 默认为0,即根据启动时DNJVM的配置参数自动计算:<br>a. min(64MB, dn_alloc_memory/64) 
<br>b.若用户手动配置了dn_thrift_max_frame_size,仍然使用用户指定的大小 |
+|改后生效方式| 重启服务生效                                                                
                                            |
 
 * dn\_thrift\_init\_buffer\_size
 
diff --git 
a/src/zh/UserGuide/latest/Reference/DataNode-Config-Manual_timecho.md 
b/src/zh/UserGuide/latest/Reference/DataNode-Config-Manual_timecho.md
index 141b9cc1..5c015426 100644
--- a/src/zh/UserGuide/latest/Reference/DataNode-Config-Manual_timecho.md
+++ b/src/zh/UserGuide/latest/Reference/DataNode-Config-Manual_timecho.md
@@ -271,12 +271,12 @@ IoTDB DataNode 与 Standalone 模式共用一套配置文件,均位于 IoTDB 
 
 * dn\_thrift\_max\_frame\_size
 
-|名字| dn\_thrift\_max\_frame\_size |
-|:---:|:---|
-|描述| RPC 请求/响应的最大字节数|
-|类型| long |
-|默认值| 536870912 (默认值512MB) |
-|改后生效方式|重启服务生效|
+|名字| dn\_thrift\_max\_frame\_size                                              
                                        |
+|:---:|:------------------------------------------------------------------------------------------------------------------|
+|描述| RPC 请求/响应的最大字节数                                                           
                                        |
+|类型| int                                                                       
                                        |
+|默认值| 默认为0,即根据启动时DNJVM的配置参数自动计算:<br>a. min(64MB, dn_alloc_memory/64) 
<br>b.若用户手动配置了dn_thrift_max_frame_size,仍然使用用户指定的大小 |
+|改后生效方式| 重启服务生效                                                                
                                            |
 
 * dn\_thrift\_init\_buffer\_size
 

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