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new 92a54a10 Add RPC layer memory control docs for V2.0.11 (#1213)
92a54a10 is described below
commit 92a54a10541bb2b0b3c6ba96e4974d579e5a0ab2
Author: leto-bbq <[email protected]>
AuthorDate: Fri Sep 11 17:38:44 2026 +0800
Add RPC layer memory control docs for V2.0.11 (#1213)
* Add RPC layer memory control docs for V2.0.11
- Update datanode_memory_proportion description: half of free memory serves
as AutoResizingBuffer budget for RPC framed transport and
compression/decompression buffers since V2.0.11
- Add System-Config-Manual_apache.md to tree model (zh/en, latest/Master)
- Update tree model sidebar to use the new config manual page
- Replace old config manual links; remove links from shared files
* Update chunk_timeseriesmeta_free_memory_proportion description and
default value
---
src/.vuepress/sidebar/V2.0.x/en-Tree.ts | 13 +------------
src/.vuepress/sidebar/V2.0.x/zh-Tree.ts | 10 +---------
.../Master/Table/Reference/System-Config-Manual_apache.md | 6 +++---
src/UserGuide/Master/Tree/Background-knowledge/Data-Type.md | 2 +-
.../Tree/Deployment-and-Maintenance/Database-Resources.md | 2 +-
.../Tree}/Reference/System-Config-Manual_apache.md | 12 ++++++------
.../latest-Table/Reference/System-Config-Manual_apache.md | 6 +++---
src/UserGuide/latest/Background-knowledge/Data-Type.md | 2 +-
.../latest/Deployment-and-Maintenance/Database-Resources.md | 2 +-
.../Reference/System-Config-Manual_apache.md | 12 ++++++------
.../Master/Table/Reference/System-Config-Manual_apache.md | 6 +++---
.../UserGuide/Master/Tree/Background-knowledge/Data-Type.md | 2 +-
.../Deployment-and-Maintenance/Database-Resources_apache.md | 2 +-
.../Reference/System-Config-Manual_apache.md | 12 ++++++------
.../latest-Table/Reference/System-Config-Manual_apache.md | 6 +++---
src/zh/UserGuide/latest/Background-knowledge/Data-Type.md | 2 +-
.../Deployment-and-Maintenance/Database-Resources_apache.md | 2 +-
.../Reference/System-Config-Manual_apache.md | 12 ++++++------
18 files changed, 46 insertions(+), 65 deletions(-)
diff --git a/src/.vuepress/sidebar/V2.0.x/en-Tree.ts
b/src/.vuepress/sidebar/V2.0.x/en-Tree.ts
index a4e9bd67..d8927f36 100644
--- a/src/.vuepress/sidebar/V2.0.x/en-Tree.ts
+++ b/src/.vuepress/sidebar/V2.0.x/en-Tree.ts
@@ -294,18 +294,7 @@ export const enSidebar = {
collapsible: true,
prefix: 'Reference/',
children: [
- {
- text: 'Config Manual',
- collapsible: true,
- children: [
- { text: 'Common Config Manual', link: 'Common-Config-Manual' },
- {
- text: 'ConfigNode Config Manual',
- link: 'ConfigNode-Config-Manual',
- },
- { text: 'DataNode Config Manual', link:
'DataNode-Config-Manual_apache' },
- ],
- },
+ { text: 'Config Manual', link: 'System-Config-Manual_apache' },
{ text: 'Status Codes', link: 'Status-Codes' },
],
},
diff --git a/src/.vuepress/sidebar/V2.0.x/zh-Tree.ts
b/src/.vuepress/sidebar/V2.0.x/zh-Tree.ts
index 0584baf2..e0489910 100644
--- a/src/.vuepress/sidebar/V2.0.x/zh-Tree.ts
+++ b/src/.vuepress/sidebar/V2.0.x/zh-Tree.ts
@@ -279,15 +279,7 @@ export const zhSidebar = {
collapsible: true,
prefix: 'Reference/',
children: [
- {
- text: '配置参数',
- collapsible: true,
- children: [
- { text: '配置参数', link: 'Common-Config-Manual' },
- { text: 'ConfigNode配置参数', link: 'ConfigNode-Config-Manual' },
- { text: 'DataNode配置参数', link: 'DataNode-Config-Manual_apache' },
- ],
- },
+ { text: '配置参数', link: 'System-Config-Manual_apache' },
{ text: '状态码', link: 'Status-Codes' },
],
},
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 7e5defdc..5f004db6 100644
--- a/src/UserGuide/Master/Table/Reference/System-Config-Manual_apache.md
+++ b/src/UserGuide/Master/Table/Reference/System-Config-Manual_apache.md
@@ -1057,7 +1057,7 @@ The `iotdb-system.properties` file contains various
configurations for managing
| Name | datanode_memory_proportion |
| ----------- | ------------------------------------------------------------ |
-| Description | Memory Allocation Ratio: StorageEngine, QueryEngine,
SchemaEngine, Consensus, StreamingEngine and Free Memory. |
+| Description | The allocation ratio of StorageEngine, QueryEngine,
SchemaEngine, Consensus, StreamingEngine, and Free Memory. Since V2.0.11, half
of the free memory serves as the total memory budget of the AutoResizingBuffer
in the RPC layer, which limits the overall memory usage of framed transport
read/write buffers and compression/decompression buffers. |
| Type | Ratio |
| Default | 3:3:1:1:1:1 |
| Effective | Restart required. |
@@ -1461,9 +1461,9 @@ The `iotdb-system.properties` file contains various
configurations for managing
| Name | chunk_timeseriesmeta_free_memory_proportion |
| ----------- | ------------------------------------------------------------ |
-| Description | Read memory Allocation Ratio: BloomFilterCache : ChunkCache :
TimeSeriesMetadataCache : Coordinator : Operators : DataExchange : timeIndex in
TsFileResourceList : others.The parameter form is a:b:c:d:e:f:g:h, where a, b,
c, d, e, f, g and h are integers. for example: 1:1:1:1:1:1:1:1 ,
1:100:200:50:200:200:200:50 |
+| Description | Read memory Allocation Ratio: BloomFilterCache : ChunkCache :
TimeSeriesMetadataCache : Coordinator : Operators : DataExchange : timeIndex in
TsFileResourceList : others. The parameter form is a:b:c:d:e:f:g:h, where a, b,
c, d, e, f, g and h are integers. For example: 1:1:1:1:1:1:1:1,
1:100:200:50:200:200:200:50 |
| Type | String |
-| Default | 1 : 100 : 200 : 300 : 400 |
+| Default | 1 : 100 : 200 : 50 : 200 : 200 : 200 : 50 |
| Effective | Restart required. |
- enable_last_cache
diff --git a/src/UserGuide/Master/Tree/Background-knowledge/Data-Type.md
b/src/UserGuide/Master/Tree/Background-knowledge/Data-Type.md
index 965dfe52..42b95a12 100644
--- a/src/UserGuide/Master/Tree/Background-knowledge/Data-Type.md
+++ b/src/UserGuide/Master/Tree/Background-knowledge/Data-Type.md
@@ -40,7 +40,7 @@ The difference between STRING and TEXT types is that STRING
type has more statis
### 1.1 Float Precision
-The time series of **FLOAT** and **DOUBLE** type can specify
(MAX\_POINT\_NUMBER, see [this page](../SQL-Manual/SQL-Manual_apache) for more
information on how to specify), which is the number of digits after the decimal
point of the floating point number, if the encoding method is
[RLE](../Technical-Insider/Encoding-and-Compression.md) or
[TS\_2DIFF](../Technical-Insider/Encoding-and-Compression.md). If
MAX\_POINT\_NUMBER is not specified, the system will use
[float\_precision](../Refere [...]
+The time series of **FLOAT** and **DOUBLE** type can specify
(MAX\_POINT\_NUMBER, see [this page](../SQL-Manual/SQL-Manual_apache) for more
information on how to specify), which is the number of digits after the decimal
point of the floating point number, if the encoding method is
[RLE](../Technical-Insider/Encoding-and-Compression.md) or
[TS\_2DIFF](../Technical-Insider/Encoding-and-Compression.md). If
MAX\_POINT\_NUMBER is not specified, the system will use `float_precision` in
the con [...]
```sql
CREATE TIMESERIES root.vehicle.d0.s0 WITH DATATYPE=FLOAT, ENCODING=RLE,
'MAX_POINT_NUMBER'='2';
diff --git
a/src/UserGuide/Master/Tree/Deployment-and-Maintenance/Database-Resources.md
b/src/UserGuide/Master/Tree/Deployment-and-Maintenance/Database-Resources.md
index d12dd5d9..13032b5c 100644
--- a/src/UserGuide/Master/Tree/Deployment-and-Maintenance/Database-Resources.md
+++ b/src/UserGuide/Master/Tree/Deployment-and-Maintenance/Database-Resources.md
@@ -146,7 +146,7 @@
</tbody>
</table>
-> Flexible memory configuration options are provided. Users can adjust them in
the datanode-env file. For details and configuration guidelines, please refer
to
[datanode-env](../Reference/DataNode-Config-Manual.md#_2-environment-configuration-file-datanode-env-sh-bat)
+> Flexible memory configuration options are provided. Users can adjust them in
the datanode-env file.
## 3. Storage (Disk)
diff --git
a/src/UserGuide/latest-Table/Reference/System-Config-Manual_apache.md
b/src/UserGuide/Master/Tree/Reference/System-Config-Manual_apache.md
similarity index 99%
copy from src/UserGuide/latest-Table/Reference/System-Config-Manual_apache.md
copy to src/UserGuide/Master/Tree/Reference/System-Config-Manual_apache.md
index 7e5defdc..7da3c363 100644
--- a/src/UserGuide/latest-Table/Reference/System-Config-Manual_apache.md
+++ b/src/UserGuide/Master/Tree/Reference/System-Config-Manual_apache.md
@@ -859,7 +859,7 @@ The `iotdb-system.properties` file contains various
configurations for managing
| Name | cache_expire_in_seconds |
| ----------- | ------------------------------------------------------------ |
-| Description | The expiration time of the user login information cache (in
seconds). This parameter will be deprecated after V2.0.8. |
+| Description | The expiration time of the user login information cache (in
seconds) |
| Type | int32 |
| Default | 28800 |
| Effective | Restart required. |
@@ -868,7 +868,7 @@ The `iotdb-system.properties` file contains various
configurations for managing
| Name | cache_max_num |
| ----------- | ------------------------------------------------------------ |
-| Description | The maximum number of users can be stored in the user login
cache. This parameter will be deprecated after V2.0.8. |
+| Description | The maximum number of users can be stored in the user login
cache. |
| Type | int32 |
| Default | 100 |
| Effective | Restart required. |
@@ -877,7 +877,7 @@ The `iotdb-system.properties` file contains various
configurations for managing
| Name | cache_init_num |
| ----------- | ------------------------------------------------------------ |
-| Description | The initial capacity of users can be stored in the user login
cache. This parameter will be deprecated after V2.0.8. |
+| Description | The initial capacity of users can be stored in the user login
cache. |
| Type | int32 |
| Default | 10 |
| Effective | Restart required. |
@@ -1057,7 +1057,7 @@ The `iotdb-system.properties` file contains various
configurations for managing
| Name | datanode_memory_proportion |
| ----------- | ------------------------------------------------------------ |
-| Description | Memory Allocation Ratio: StorageEngine, QueryEngine,
SchemaEngine, Consensus, StreamingEngine and Free Memory. |
+| Description | The allocation ratio of StorageEngine, QueryEngine,
SchemaEngine, Consensus, StreamingEngine, and Free Memory. Since V2.0.11, half
of the free memory serves as the total memory budget of the AutoResizingBuffer
in the RPC layer, which limits the overall memory usage of framed transport
read/write buffers and compression/decompression buffers. |
| Type | Ratio |
| Default | 3:3:1:1:1:1 |
| Effective | Restart required. |
@@ -1461,9 +1461,9 @@ The `iotdb-system.properties` file contains various
configurations for managing
| Name | chunk_timeseriesmeta_free_memory_proportion |
| ----------- | ------------------------------------------------------------ |
-| Description | Read memory Allocation Ratio: BloomFilterCache : ChunkCache :
TimeSeriesMetadataCache : Coordinator : Operators : DataExchange : timeIndex in
TsFileResourceList : others.The parameter form is a:b:c:d:e:f:g:h, where a, b,
c, d, e, f, g and h are integers. for example: 1:1:1:1:1:1:1:1 ,
1:100:200:50:200:200:200:50 |
+| Description | Read memory Allocation Ratio: BloomFilterCache : ChunkCache :
TimeSeriesMetadataCache : Coordinator : Operators : DataExchange : timeIndex in
TsFileResourceList : others. The parameter form is a:b:c:d:e:f:g:h, where a, b,
c, d, e, f, g and h are integers. For example: 1:1:1:1:1:1:1:1,
1:100:200:50:200:200:200:50 |
| Type | String |
-| Default | 1 : 100 : 200 : 300 : 400 |
+| Default | 1 : 100 : 200 : 50 : 200 : 200 : 200 : 50 |
| Effective | Restart required. |
- enable_last_cache
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 7e5defdc..5f004db6 100644
--- a/src/UserGuide/latest-Table/Reference/System-Config-Manual_apache.md
+++ b/src/UserGuide/latest-Table/Reference/System-Config-Manual_apache.md
@@ -1057,7 +1057,7 @@ The `iotdb-system.properties` file contains various
configurations for managing
| Name | datanode_memory_proportion |
| ----------- | ------------------------------------------------------------ |
-| Description | Memory Allocation Ratio: StorageEngine, QueryEngine,
SchemaEngine, Consensus, StreamingEngine and Free Memory. |
+| Description | The allocation ratio of StorageEngine, QueryEngine,
SchemaEngine, Consensus, StreamingEngine, and Free Memory. Since V2.0.11, half
of the free memory serves as the total memory budget of the AutoResizingBuffer
in the RPC layer, which limits the overall memory usage of framed transport
read/write buffers and compression/decompression buffers. |
| Type | Ratio |
| Default | 3:3:1:1:1:1 |
| Effective | Restart required. |
@@ -1461,9 +1461,9 @@ The `iotdb-system.properties` file contains various
configurations for managing
| Name | chunk_timeseriesmeta_free_memory_proportion |
| ----------- | ------------------------------------------------------------ |
-| Description | Read memory Allocation Ratio: BloomFilterCache : ChunkCache :
TimeSeriesMetadataCache : Coordinator : Operators : DataExchange : timeIndex in
TsFileResourceList : others.The parameter form is a:b:c:d:e:f:g:h, where a, b,
c, d, e, f, g and h are integers. for example: 1:1:1:1:1:1:1:1 ,
1:100:200:50:200:200:200:50 |
+| Description | Read memory Allocation Ratio: BloomFilterCache : ChunkCache :
TimeSeriesMetadataCache : Coordinator : Operators : DataExchange : timeIndex in
TsFileResourceList : others. The parameter form is a:b:c:d:e:f:g:h, where a, b,
c, d, e, f, g and h are integers. For example: 1:1:1:1:1:1:1:1,
1:100:200:50:200:200:200:50 |
| Type | String |
-| Default | 1 : 100 : 200 : 300 : 400 |
+| Default | 1 : 100 : 200 : 50 : 200 : 200 : 200 : 50 |
| Effective | Restart required. |
- enable_last_cache
diff --git a/src/UserGuide/latest/Background-knowledge/Data-Type.md
b/src/UserGuide/latest/Background-knowledge/Data-Type.md
index 965dfe52..42b95a12 100644
--- a/src/UserGuide/latest/Background-knowledge/Data-Type.md
+++ b/src/UserGuide/latest/Background-knowledge/Data-Type.md
@@ -40,7 +40,7 @@ The difference between STRING and TEXT types is that STRING
type has more statis
### 1.1 Float Precision
-The time series of **FLOAT** and **DOUBLE** type can specify
(MAX\_POINT\_NUMBER, see [this page](../SQL-Manual/SQL-Manual_apache) for more
information on how to specify), which is the number of digits after the decimal
point of the floating point number, if the encoding method is
[RLE](../Technical-Insider/Encoding-and-Compression.md) or
[TS\_2DIFF](../Technical-Insider/Encoding-and-Compression.md). If
MAX\_POINT\_NUMBER is not specified, the system will use
[float\_precision](../Refere [...]
+The time series of **FLOAT** and **DOUBLE** type can specify
(MAX\_POINT\_NUMBER, see [this page](../SQL-Manual/SQL-Manual_apache) for more
information on how to specify), which is the number of digits after the decimal
point of the floating point number, if the encoding method is
[RLE](../Technical-Insider/Encoding-and-Compression.md) or
[TS\_2DIFF](../Technical-Insider/Encoding-and-Compression.md). If
MAX\_POINT\_NUMBER is not specified, the system will use `float_precision` in
the con [...]
```sql
CREATE TIMESERIES root.vehicle.d0.s0 WITH DATATYPE=FLOAT, ENCODING=RLE,
'MAX_POINT_NUMBER'='2';
diff --git
a/src/UserGuide/latest/Deployment-and-Maintenance/Database-Resources.md
b/src/UserGuide/latest/Deployment-and-Maintenance/Database-Resources.md
index 13b225a3..f226e50b 100644
--- a/src/UserGuide/latest/Deployment-and-Maintenance/Database-Resources.md
+++ b/src/UserGuide/latest/Deployment-and-Maintenance/Database-Resources.md
@@ -145,7 +145,7 @@
</tbody>
</table>
-> Flexible memory configuration options are provided. Users can adjust them in
the datanode-env file. For details and configuration guidelines, please refer
to
[datanode-env](../Reference/DataNode-Config-Manual.md#_2-environment-configuration-file-datanode-env-sh-bat)
+> Flexible memory configuration options are provided. Users can adjust them in
the datanode-env file.
## 3. Storage (Disk)
### 3.1 Storage space
diff --git
a/src/UserGuide/latest-Table/Reference/System-Config-Manual_apache.md
b/src/UserGuide/latest/Reference/System-Config-Manual_apache.md
similarity index 99%
copy from src/UserGuide/latest-Table/Reference/System-Config-Manual_apache.md
copy to src/UserGuide/latest/Reference/System-Config-Manual_apache.md
index 7e5defdc..7da3c363 100644
--- a/src/UserGuide/latest-Table/Reference/System-Config-Manual_apache.md
+++ b/src/UserGuide/latest/Reference/System-Config-Manual_apache.md
@@ -859,7 +859,7 @@ The `iotdb-system.properties` file contains various
configurations for managing
| Name | cache_expire_in_seconds |
| ----------- | ------------------------------------------------------------ |
-| Description | The expiration time of the user login information cache (in
seconds). This parameter will be deprecated after V2.0.8. |
+| Description | The expiration time of the user login information cache (in
seconds) |
| Type | int32 |
| Default | 28800 |
| Effective | Restart required. |
@@ -868,7 +868,7 @@ The `iotdb-system.properties` file contains various
configurations for managing
| Name | cache_max_num |
| ----------- | ------------------------------------------------------------ |
-| Description | The maximum number of users can be stored in the user login
cache. This parameter will be deprecated after V2.0.8. |
+| Description | The maximum number of users can be stored in the user login
cache. |
| Type | int32 |
| Default | 100 |
| Effective | Restart required. |
@@ -877,7 +877,7 @@ The `iotdb-system.properties` file contains various
configurations for managing
| Name | cache_init_num |
| ----------- | ------------------------------------------------------------ |
-| Description | The initial capacity of users can be stored in the user login
cache. This parameter will be deprecated after V2.0.8. |
+| Description | The initial capacity of users can be stored in the user login
cache. |
| Type | int32 |
| Default | 10 |
| Effective | Restart required. |
@@ -1057,7 +1057,7 @@ The `iotdb-system.properties` file contains various
configurations for managing
| Name | datanode_memory_proportion |
| ----------- | ------------------------------------------------------------ |
-| Description | Memory Allocation Ratio: StorageEngine, QueryEngine,
SchemaEngine, Consensus, StreamingEngine and Free Memory. |
+| Description | The allocation ratio of StorageEngine, QueryEngine,
SchemaEngine, Consensus, StreamingEngine, and Free Memory. Since V2.0.11, half
of the free memory serves as the total memory budget of the AutoResizingBuffer
in the RPC layer, which limits the overall memory usage of framed transport
read/write buffers and compression/decompression buffers. |
| Type | Ratio |
| Default | 3:3:1:1:1:1 |
| Effective | Restart required. |
@@ -1461,9 +1461,9 @@ The `iotdb-system.properties` file contains various
configurations for managing
| Name | chunk_timeseriesmeta_free_memory_proportion |
| ----------- | ------------------------------------------------------------ |
-| Description | Read memory Allocation Ratio: BloomFilterCache : ChunkCache :
TimeSeriesMetadataCache : Coordinator : Operators : DataExchange : timeIndex in
TsFileResourceList : others.The parameter form is a:b:c:d:e:f:g:h, where a, b,
c, d, e, f, g and h are integers. for example: 1:1:1:1:1:1:1:1 ,
1:100:200:50:200:200:200:50 |
+| Description | Read memory Allocation Ratio: BloomFilterCache : ChunkCache :
TimeSeriesMetadataCache : Coordinator : Operators : DataExchange : timeIndex in
TsFileResourceList : others. The parameter form is a:b:c:d:e:f:g:h, where a, b,
c, d, e, f, g and h are integers. For example: 1:1:1:1:1:1:1:1,
1:100:200:50:200:200:200:50 |
| Type | String |
-| Default | 1 : 100 : 200 : 300 : 400 |
+| Default | 1 : 100 : 200 : 50 : 200 : 200 : 200 : 50 |
| Effective | Restart required. |
- enable_last_cache
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 8e1cf717..f17cf920 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
@@ -1034,7 +1034,7 @@ IoTDB 配置文件位于 IoTDB 安装目录：`conf`文件夹下。
| 名字 | datanode_memory_proportion |
| ------------ | ---------------------------------------------------- |
-| 描述 | 存储引擎、查询引擎、元数据、共识、流处理引擎和空闲内存比例 |
+| 描述 | 存储引擎、查询引擎、元数据、共识、流处理引擎和空闲内存的分配比例。自 V2.0.11 起，空闲内存的一半将作为 RPC 层
AutoResizingBuffer 的总内存预算，用于限制 framed transport 读写及压缩、解压缓冲区的总体内存占用。 |
| 类型 | Ratio |
| 默认值 | 3:3:1:1:1:1 |
| 改后生效方式 | 重启服务生效 |
@@ -1438,9 +1438,9 @@ IoTDB 配置文件位于 IoTDB 安装目录：`conf`文件夹下。
| 名字 | chunk_timeseriesmeta_free_memory_proportion |
| ------------ | ------------------------------------------------------------ |
-| 描述 |
读取内存分配比例，BloomFilterCache、ChunkCache、TimeseriesMetadataCache、数据集查询的内存和可用内存的查询。参数形式为a
: b : c : d : e，其中a、b、c、d、e为整数。 例如“1 : 1 : 1 : 1 : 1” ，“1 : 100 : 200 : 300 :
400” 。 |
+| 描述 | 读取内存分配比例：BloomFilterCache : ChunkCache :
TimeSeriesMetadataCache : Coordinator : Operators : DataExchange :
TsFileResourceList 中的 timeIndex : 其他。参数形式为 a:b:c:d:e:f:g:h，其中 a、b、c、d、e、f、g、h
为整数。例如“1:1:1:1:1:1:1:1”，“1:100:200:50:200:200:200:50”。 |
| 类型 | String |
-| 默认值 | 1 : 100 : 200 : 300 : 400 |
+| 默认值 | 1 : 100 : 200 : 50 : 200 : 200 : 200 : 50 |
| 改后生效方式 | 重启服务生效 |
- enable_last_cache
diff --git a/src/zh/UserGuide/Master/Tree/Background-knowledge/Data-Type.md
b/src/zh/UserGuide/Master/Tree/Background-knowledge/Data-Type.md
index ae763fce..49ba9bd3 100644
--- a/src/zh/UserGuide/Master/Tree/Background-knowledge/Data-Type.md
+++ b/src/zh/UserGuide/Master/Tree/Background-knowledge/Data-Type.md
@@ -47,7 +47,7 @@ IoTDB 支持以下十种数据类型：
CREATE TIMESERIES root.vehicle.d0.s0 WITH DATATYPE=FLOAT, ENCODING=RLE,
'MAX_POINT_NUMBER'='2';
```
-若不指定，系统会按照配置文件 `iotdb-system.properties` 中的
[float_precision](../Reference/Common-Config-Manual.md) 项配置（默认为 2 位）。
+若不指定，系统会按照配置文件 `iotdb-system.properties` 中的 `float_precision` 项配置（默认为 2 位）。
### 1.2 数据类型兼容性
diff --git
a/src/zh/UserGuide/Master/Tree/Deployment-and-Maintenance/Database-Resources_apache.md
b/src/zh/UserGuide/Master/Tree/Deployment-and-Maintenance/Database-Resources_apache.md
index 9eae6bfb..45c83371 100644
---
a/src/zh/UserGuide/Master/Tree/Deployment-and-Maintenance/Database-Resources_apache.md
+++
b/src/zh/UserGuide/Master/Tree/Deployment-and-Maintenance/Database-Resources_apache.md
@@ -145,7 +145,7 @@
</tbody>
</table>
-> 提供灵活的内存配置选项，用户可在datanode-env文件中进行调整，详细信息和配置指南请参见
[datanode-env](../Reference/DataNode-Config-Manual.md#_2-环境配置项-datanode-env-sh-bat)
+> 提供灵活的内存配置选项，用户可在datanode-env文件中进行调整，详细信息和配置指南请参见
[datanode-env](../Reference/System-Config-Manual_apache.md#_2-2-datanode-env-sh-bat)
## 3. 存储(磁盘)
### 3.1 存储空间
diff --git
a/src/zh/UserGuide/Master/Table/Reference/System-Config-Manual_apache.md
b/src/zh/UserGuide/Master/Tree/Reference/System-Config-Manual_apache.md
similarity index 99%
copy from src/zh/UserGuide/Master/Table/Reference/System-Config-Manual_apache.md
copy to src/zh/UserGuide/Master/Tree/Reference/System-Config-Manual_apache.md
index 8e1cf717..73138832 100644
--- a/src/zh/UserGuide/Master/Table/Reference/System-Config-Manual_apache.md
+++ b/src/zh/UserGuide/Master/Tree/Reference/System-Config-Manual_apache.md
@@ -836,7 +836,7 @@ IoTDB 配置文件位于 IoTDB 安装目录：`conf`文件夹下。
| 名字 | cache_expire_in_seconds |
| ------------ | -------------------------------- |
-| 描述 | 用户登录信息缓存的过期时间（秒）。V2.0.8 版本之后将作废该参数。 |
+| 描述 | 用户登录信息缓存的过期时间（秒） |
| 类型 | int32 |
| 默认值 | 28800 |
| 改后生效方式 | 重启服务生效 |
@@ -845,7 +845,7 @@ IoTDB 配置文件位于 IoTDB 安装目录：`conf`文件夹下。
| 名字 | cache_max_num |
| ------------ | ------------------------ |
-| 描述 | 缓存中存储的最大用户数量。V2.0.8 版本之后将作废该参数。 |
+| 描述 | 缓存中存储的最大用户数量 |
| 类型 | int32 |
| 默认值 | 100 |
| 改后生效方式 | 重启服务生效 |
@@ -854,7 +854,7 @@ IoTDB 配置文件位于 IoTDB 安装目录：`conf`文件夹下。
| 名字 | cache_init_num |
| ------------ | -------------- |
-| 描述 | 缓存初始容量。V2.0.8 版本之后将作废该参数。 |
+| 描述 | 缓存初始容量 |
| 类型 | int32 |
| 默认值 | 10 |
| 改后生效方式 | 重启服务生效 |
@@ -1034,7 +1034,7 @@ IoTDB 配置文件位于 IoTDB 安装目录：`conf`文件夹下。
| 名字 | datanode_memory_proportion |
| ------------ | ---------------------------------------------------- |
-| 描述 | 存储引擎、查询引擎、元数据、共识、流处理引擎和空闲内存比例 |
+| 描述 | 存储引擎、查询引擎、元数据、共识、流处理引擎和空闲内存的分配比例。自 V2.0.11 起，空闲内存的一半将作为 RPC 层
AutoResizingBuffer 的总内存预算，用于限制 framed transport 读写及压缩、解压缓冲区的总体内存占用。 |
| 类型 | Ratio |
| 默认值 | 3:3:1:1:1:1 |
| 改后生效方式 | 重启服务生效 |
@@ -1438,9 +1438,9 @@ IoTDB 配置文件位于 IoTDB 安装目录：`conf`文件夹下。
| 名字 | chunk_timeseriesmeta_free_memory_proportion |
| ------------ | ------------------------------------------------------------ |
-| 描述 |
读取内存分配比例，BloomFilterCache、ChunkCache、TimeseriesMetadataCache、数据集查询的内存和可用内存的查询。参数形式为a
: b : c : d : e，其中a、b、c、d、e为整数。 例如“1 : 1 : 1 : 1 : 1” ，“1 : 100 : 200 : 300 :
400” 。 |
+| 描述 | 读取内存分配比例：BloomFilterCache : ChunkCache :
TimeSeriesMetadataCache : Coordinator : Operators : DataExchange :
TsFileResourceList 中的 timeIndex : 其他。参数形式为 a:b:c:d:e:f:g:h，其中 a、b、c、d、e、f、g、h
为整数。例如“1:1:1:1:1:1:1:1”，“1:100:200:50:200:200:200:50”。 |
| 类型 | String |
-| 默认值 | 1 : 100 : 200 : 300 : 400 |
+| 默认值 | 1 : 100 : 200 : 50 : 200 : 200 : 200 : 50 |
| 改后生效方式 | 重启服务生效 |
- enable_last_cache
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 8e1cf717..f17cf920 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
@@ -1034,7 +1034,7 @@ IoTDB 配置文件位于 IoTDB 安装目录：`conf`文件夹下。
| 名字 | datanode_memory_proportion |
| ------------ | ---------------------------------------------------- |
-| 描述 | 存储引擎、查询引擎、元数据、共识、流处理引擎和空闲内存比例 |
+| 描述 | 存储引擎、查询引擎、元数据、共识、流处理引擎和空闲内存的分配比例。自 V2.0.11 起，空闲内存的一半将作为 RPC 层
AutoResizingBuffer 的总内存预算，用于限制 framed transport 读写及压缩、解压缓冲区的总体内存占用。 |
| 类型 | Ratio |
| 默认值 | 3:3:1:1:1:1 |
| 改后生效方式 | 重启服务生效 |
@@ -1438,9 +1438,9 @@ IoTDB 配置文件位于 IoTDB 安装目录：`conf`文件夹下。
| 名字 | chunk_timeseriesmeta_free_memory_proportion |
| ------------ | ------------------------------------------------------------ |
-| 描述 |
读取内存分配比例，BloomFilterCache、ChunkCache、TimeseriesMetadataCache、数据集查询的内存和可用内存的查询。参数形式为a
: b : c : d : e，其中a、b、c、d、e为整数。 例如“1 : 1 : 1 : 1 : 1” ，“1 : 100 : 200 : 300 :
400” 。 |
+| 描述 | 读取内存分配比例：BloomFilterCache : ChunkCache :
TimeSeriesMetadataCache : Coordinator : Operators : DataExchange :
TsFileResourceList 中的 timeIndex : 其他。参数形式为 a:b:c:d:e:f:g:h，其中 a、b、c、d、e、f、g、h
为整数。例如“1:1:1:1:1:1:1:1”，“1:100:200:50:200:200:200:50”。 |
| 类型 | String |
-| 默认值 | 1 : 100 : 200 : 300 : 400 |
+| 默认值 | 1 : 100 : 200 : 50 : 200 : 200 : 200 : 50 |
| 改后生效方式 | 重启服务生效 |
- enable_last_cache
diff --git a/src/zh/UserGuide/latest/Background-knowledge/Data-Type.md
b/src/zh/UserGuide/latest/Background-knowledge/Data-Type.md
index ae763fce..49ba9bd3 100644
--- a/src/zh/UserGuide/latest/Background-knowledge/Data-Type.md
+++ b/src/zh/UserGuide/latest/Background-knowledge/Data-Type.md
@@ -47,7 +47,7 @@ IoTDB 支持以下十种数据类型：
CREATE TIMESERIES root.vehicle.d0.s0 WITH DATATYPE=FLOAT, ENCODING=RLE,
'MAX_POINT_NUMBER'='2';
```
-若不指定，系统会按照配置文件 `iotdb-system.properties` 中的
[float_precision](../Reference/Common-Config-Manual.md) 项配置（默认为 2 位）。
+若不指定，系统会按照配置文件 `iotdb-system.properties` 中的 `float_precision` 项配置（默认为 2 位）。
### 1.2 数据类型兼容性
diff --git
a/src/zh/UserGuide/latest/Deployment-and-Maintenance/Database-Resources_apache.md
b/src/zh/UserGuide/latest/Deployment-and-Maintenance/Database-Resources_apache.md
index 9eae6bfb..45c83371 100644
---
a/src/zh/UserGuide/latest/Deployment-and-Maintenance/Database-Resources_apache.md
+++
b/src/zh/UserGuide/latest/Deployment-and-Maintenance/Database-Resources_apache.md
@@ -145,7 +145,7 @@
</tbody>
</table>
-> 提供灵活的内存配置选项，用户可在datanode-env文件中进行调整，详细信息和配置指南请参见
[datanode-env](../Reference/DataNode-Config-Manual.md#_2-环境配置项-datanode-env-sh-bat)
+> 提供灵活的内存配置选项，用户可在datanode-env文件中进行调整，详细信息和配置指南请参见
[datanode-env](../Reference/System-Config-Manual_apache.md#_2-2-datanode-env-sh-bat)
## 3. 存储(磁盘)
### 3.1 存储空间
diff --git
a/src/zh/UserGuide/Master/Table/Reference/System-Config-Manual_apache.md
b/src/zh/UserGuide/latest/Reference/System-Config-Manual_apache.md
similarity index 99%
copy from src/zh/UserGuide/Master/Table/Reference/System-Config-Manual_apache.md
copy to src/zh/UserGuide/latest/Reference/System-Config-Manual_apache.md
index 8e1cf717..73138832 100644
--- a/src/zh/UserGuide/Master/Table/Reference/System-Config-Manual_apache.md
+++ b/src/zh/UserGuide/latest/Reference/System-Config-Manual_apache.md
@@ -836,7 +836,7 @@ IoTDB 配置文件位于 IoTDB 安装目录：`conf`文件夹下。
| 名字 | cache_expire_in_seconds |
| ------------ | -------------------------------- |
-| 描述 | 用户登录信息缓存的过期时间（秒）。V2.0.8 版本之后将作废该参数。 |
+| 描述 | 用户登录信息缓存的过期时间（秒） |
| 类型 | int32 |
| 默认值 | 28800 |
| 改后生效方式 | 重启服务生效 |
@@ -845,7 +845,7 @@ IoTDB 配置文件位于 IoTDB 安装目录：`conf`文件夹下。
| 名字 | cache_max_num |
| ------------ | ------------------------ |
-| 描述 | 缓存中存储的最大用户数量。V2.0.8 版本之后将作废该参数。 |
+| 描述 | 缓存中存储的最大用户数量 |
| 类型 | int32 |
| 默认值 | 100 |
| 改后生效方式 | 重启服务生效 |
@@ -854,7 +854,7 @@ IoTDB 配置文件位于 IoTDB 安装目录：`conf`文件夹下。
| 名字 | cache_init_num |
| ------------ | -------------- |
-| 描述 | 缓存初始容量。V2.0.8 版本之后将作废该参数。 |
+| 描述 | 缓存初始容量 |
| 类型 | int32 |
| 默认值 | 10 |
| 改后生效方式 | 重启服务生效 |
@@ -1034,7 +1034,7 @@ IoTDB 配置文件位于 IoTDB 安装目录：`conf`文件夹下。
| 名字 | datanode_memory_proportion |
| ------------ | ---------------------------------------------------- |
-| 描述 | 存储引擎、查询引擎、元数据、共识、流处理引擎和空闲内存比例 |
+| 描述 | 存储引擎、查询引擎、元数据、共识、流处理引擎和空闲内存的分配比例。自 V2.0.11 起，空闲内存的一半将作为 RPC 层
AutoResizingBuffer 的总内存预算，用于限制 framed transport 读写及压缩、解压缓冲区的总体内存占用。 |
| 类型 | Ratio |
| 默认值 | 3:3:1:1:1:1 |
| 改后生效方式 | 重启服务生效 |
@@ -1438,9 +1438,9 @@ IoTDB 配置文件位于 IoTDB 安装目录：`conf`文件夹下。
| 名字 | chunk_timeseriesmeta_free_memory_proportion |
| ------------ | ------------------------------------------------------------ |
-| 描述 |
读取内存分配比例，BloomFilterCache、ChunkCache、TimeseriesMetadataCache、数据集查询的内存和可用内存的查询。参数形式为a
: b : c : d : e，其中a、b、c、d、e为整数。 例如“1 : 1 : 1 : 1 : 1” ，“1 : 100 : 200 : 300 :
400” 。 |
+| 描述 | 读取内存分配比例：BloomFilterCache : ChunkCache :
TimeSeriesMetadataCache : Coordinator : Operators : DataExchange :
TsFileResourceList 中的 timeIndex : 其他。参数形式为 a:b:c:d:e:f:g:h，其中 a、b、c、d、e、f、g、h
为整数。例如“1:1:1:1:1:1:1:1”，“1:100:200:50:200:200:200:50”。 |
| 类型 | String |
-| 默认值 | 1 : 100 : 200 : 300 : 400 |
+| 默认值 | 1 : 100 : 200 : 50 : 200 : 200 : 200 : 50 |
| 改后生效方式 | 重启服务生效 |
- enable_last_cache
