diff --git a/src/.vuepress/sidebar_timecho/V1.3.x/en.ts b/src/.vuepress/sidebar_timecho/V1.3.x/en.ts index 44de79af9..1034998ac 100644 --- a/src/.vuepress/sidebar_timecho/V1.3.x/en.ts +++ b/src/.vuepress/sidebar_timecho/V1.3.x/en.ts @@ -169,7 +169,7 @@ export const enSidebar = { children: [ { text: 'Query Performance Analysis', link: 'Query-Performance-Analysis' }, { text: 'Load Balance', link: 'Load-Balance' }, - { text: 'Maintenance statement', link: 'Maintenance-commands_timecho' }, + { text: 'Maintenance statement', link: 'Maintenance-commands' }, ], }, ], diff --git a/src/.vuepress/sidebar_timecho/V1.3.x/zh.ts b/src/.vuepress/sidebar_timecho/V1.3.x/zh.ts index 8b725e949..6ef9d8221 100644 --- a/src/.vuepress/sidebar_timecho/V1.3.x/zh.ts +++ b/src/.vuepress/sidebar_timecho/V1.3.x/zh.ts @@ -151,7 +151,7 @@ export const zhSidebar = { children: [ { text: '查询性能分析', link: 'Query-Performance-Analysis' }, { text: '负载均衡', link: 'Load-Balance' }, - { text: '运维语句', link: 'Maintenance-statement_timecho' }, + { text: '运维语句', link: 'Maintenance-statement' }, ], }, ], diff --git a/src/UserGuide/Master/Table/SQL-Manual/SQL-Maintenance-Statements_timecho.md b/src/UserGuide/Master/Table/SQL-Manual/SQL-Maintenance-Statements_timecho.md index 8b975d660..7b27761cc 100644 --- a/src/UserGuide/Master/Table/SQL-Manual/SQL-Maintenance-Statements_timecho.md +++ b/src/UserGuide/Master/Table/SQL-Manual/SQL-Maintenance-Statements_timecho.md @@ -255,6 +255,66 @@ IoTDB> SHOW AVAILABLE URLS +----------+-------+ ``` +### 1.10 View Service Information + +> Supported since V2.0.8.2 + +**Syntax**: + +```sql +showServicesStatement + : SHOW SERVICES + ; +``` + +**Example**: + +```sql +IoTDB> SHOW SERVICES +IoTDB> SHOW SERVICES ON 1 +``` + +**Result**: + +```sql ++--------------+-------------+---------+ +| Service Name | DataNode ID | State | ++--------------+-------------+---------+ +| MQTT | 1 | STOPPED | +| REST | 1 | RUNNING | ++--------------+-------------+---------+ +``` + +### 1.11 View Cluster Activation Status + +**Syntax**: + +```SQL +showActivationStatement + : SHOW ACTIVATION + ; +``` + +**Example**: + +```SQL +IoTDB> SHOW ACTIVATION +``` + +**Result**: + +```SQL ++---------------+---------+-----------------------------+ +| LicenseInfo| Usage| Limit| ++---------------+---------+-----------------------------+ +| Status|ACTIVATED| -| +| ExpiredTime| -|2026-04-30T00:00:00.000+08:00| +| DataNodeLimit| 1| Unlimited| +| CpuLimit| 16| Unlimited| +| DeviceLimit| 30| Unlimited| +|TimeSeriesLimit| 72| 1,000,000,000| ++---------------+---------+-----------------------------+ +``` ## 2. Status Configuration @@ -373,32 +433,6 @@ localOrClusterMode IoTDB> FLUSH test_db TRUE ON LOCAL; ``` -### 3.2 Clear DataNode Cache - -**Syntax:** - -```SQL -clearCacheStatement - : CLEAR clearCacheOptions? CACHE localOrClusterMode? - ; - -clearCacheOptions - : ATTRIBUTE - | QUERY - | ALL - ; - -localOrClusterMode - : (ON (LOCAL | CLUSTER)) - ; -``` - -**Example:** - -```SQL -IoTDB> CLEAR ALL CACHE ON LOCAL; -``` - ## 4. Data Repair ### 4.1 Start Background TsFile Repair diff --git a/src/UserGuide/Master/Table/User-Manual/Maintenance-commands_timecho.md b/src/UserGuide/Master/Table/User-Manual/Maintenance-commands_timecho.md index f608cdb14..626fc0d94 100644 --- a/src/UserGuide/Master/Table/User-Manual/Maintenance-commands_timecho.md +++ b/src/UserGuide/Master/Table/User-Manual/Maintenance-commands_timecho.md @@ -396,6 +396,39 @@ Execution result: +--------------+-------------+---------+ ``` +### 1.12 View Cluster Activation Status + +**Description**：Returns the activation status of the current cluster. + +#### Syntax: + +```SQL +showActivationStatement + : SHOW ACTIVATION + ; +``` + +#### Examples: + +```SQL +IoTDB> SHOW ACTIVATION +``` + +Execution result: + +```SQL ++---------------+---------+-----------------------------+ +| LicenseInfo| Usage| Limit| ++---------------+---------+-----------------------------+ +| Status|ACTIVATED| -| +| ExpiredTime| -|2026-04-30T00:00:00.000+08:00| +| DataNodeLimit| 1| Unlimited| +| CpuLimit| 16| Unlimited| +| DeviceLimit| 30| Unlimited| +|TimeSeriesLimit| 72| 1,000,000,000| ++---------------+---------+-----------------------------+ +``` + ## 2. Status Setting ### 2.1 Setting the Connected Model @@ -573,6 +606,7 @@ localOrClusterMode IoTDB> FLUSH test_db TRUE ON LOCAL; ``` + ## 4. Data Repair ### 4.1 Starting Background Scan and Repair of TsFiles diff --git a/src/UserGuide/Master/Tree/SQL-Manual/SQL-Manual_timecho.md b/src/UserGuide/Master/Tree/SQL-Manual/SQL-Manual_timecho.md index 0844f03d1..04818825f 100644 --- a/src/UserGuide/Master/Tree/SQL-Manual/SQL-Manual_timecho.md +++ b/src/UserGuide/Master/Tree/SQL-Manual/SQL-Manual_timecho.md @@ -842,7 +842,7 @@ select * into ::(backup_${4}) from root.sg.** align by device; select s1, s2 into root.sg_copy.d1(t1, t2), aligned root.sg_copy.d2(t1, t2) from root.sg.d1, root.sg.d2 align by device; ``` -## 7. Maintennance +## 7. Maintenance Generate the corresponding query plan: ```sql explain select s1,s2 from root.sg.d1; @@ -851,6 +851,9 @@ Execute the corresponding SQL, analyze the execution and output: ```sql explain analyze select s1,s2 from root.sg.d1 order by s1; ``` + +For more Maintenance commands, please refer to[Maintenance commands](../User-Manual/Maintenance-commands_timecho.md) + ## 8. OPERATOR For more details, see document [Operator-and-Expression](./Operator-and-Expression.md). diff --git a/src/UserGuide/Master/Tree/User-Manual/Maintenance-commands_timecho.md b/src/UserGuide/Master/Tree/User-Manual/Maintenance-commands_timecho.md index 54259334a..f28fea1ad 100644 --- a/src/UserGuide/Master/Tree/User-Manual/Maintenance-commands_timecho.md +++ b/src/UserGuide/Master/Tree/User-Manual/Maintenance-commands_timecho.md @@ -302,6 +302,39 @@ Execution result: +--------------+-------------+---------+ ``` +### 1.9 View Cluster Activation Status + +**Description**：Returns the activation status of the current cluster. + +#### Syntax: + +```SQL +showActivationStatement + : SHOW ACTIVATION + ; +``` + +#### Examples: + +```SQL +IoTDB> SHOW ACTIVATION +``` + +Execution result: + +```SQL ++---------------+---------+-----------------------------+ +| LicenseInfo| Usage| Limit| ++---------------+---------+-----------------------------+ +| Status|ACTIVATED| -| +| ExpiredTime| -|2026-04-30T00:00:00.000+08:00| +| DataNodeLimit| 1| Unlimited| +| CpuLimit| 16| Unlimited| +| DeviceLimit| 30| Unlimited| +|TimeSeriesLimit| 72| 1,000,000,000| ++---------------+---------+-----------------------------+ +``` + ## 2. Status Setting diff --git a/src/UserGuide/latest-Table/SQL-Manual/SQL-Maintenance-Statements_timecho.md b/src/UserGuide/latest-Table/SQL-Manual/SQL-Maintenance-Statements_timecho.md index 8b975d660..7b27761cc 100644 --- a/src/UserGuide/latest-Table/SQL-Manual/SQL-Maintenance-Statements_timecho.md +++ b/src/UserGuide/latest-Table/SQL-Manual/SQL-Maintenance-Statements_timecho.md @@ -255,6 +255,66 @@ IoTDB> SHOW AVAILABLE URLS +----------+-------+ ``` +### 1.10 View Service Information + +> Supported since V2.0.8.2 + +**Syntax**: + +```sql +showServicesStatement + : SHOW SERVICES + ; +``` + +**Example**: + +```sql +IoTDB> SHOW SERVICES +IoTDB> SHOW SERVICES ON 1 +``` + +**Result**: + +```sql ++--------------+-------------+---------+ +| Service Name | DataNode ID | State | ++--------------+-------------+---------+ +| MQTT | 1 | STOPPED | +| REST | 1 | RUNNING | ++--------------+-------------+---------+ +``` + +### 1.11 View Cluster Activation Status + +**Syntax**: + +```SQL +showActivationStatement + : SHOW ACTIVATION + ; +``` + +**Example**: + +```SQL +IoTDB> SHOW ACTIVATION +``` + +**Result**: + +```SQL ++---------------+---------+-----------------------------+ +| LicenseInfo| Usage| Limit| ++---------------+---------+-----------------------------+ +| Status|ACTIVATED| -| +| ExpiredTime| -|2026-04-30T00:00:00.000+08:00| +| DataNodeLimit| 1| Unlimited| +| CpuLimit| 16| Unlimited| +| DeviceLimit| 30| Unlimited| +|TimeSeriesLimit| 72| 1,000,000,000| ++---------------+---------+-----------------------------+ +``` ## 2. Status Configuration @@ -373,32 +433,6 @@ localOrClusterMode IoTDB> FLUSH test_db TRUE ON LOCAL; ``` -### 3.2 Clear DataNode Cache - -**Syntax:** - -```SQL -clearCacheStatement - : CLEAR clearCacheOptions? CACHE localOrClusterMode? - ; - -clearCacheOptions - : ATTRIBUTE - | QUERY - | ALL - ; - -localOrClusterMode - : (ON (LOCAL | CLUSTER)) - ; -``` - -**Example:** - -```SQL -IoTDB> CLEAR ALL CACHE ON LOCAL; -``` - ## 4. Data Repair ### 4.1 Start Background TsFile Repair diff --git a/src/UserGuide/latest-Table/User-Manual/Maintenance-commands_timecho.md b/src/UserGuide/latest-Table/User-Manual/Maintenance-commands_timecho.md index 74fbcd73a..626fc0d94 100644 --- a/src/UserGuide/latest-Table/User-Manual/Maintenance-commands_timecho.md +++ b/src/UserGuide/latest-Table/User-Manual/Maintenance-commands_timecho.md @@ -396,6 +396,39 @@ Execution result: +--------------+-------------+---------+ ``` +### 1.12 View Cluster Activation Status + +**Description**：Returns the activation status of the current cluster. + +#### Syntax: + +```SQL +showActivationStatement + : SHOW ACTIVATION + ; +``` + +#### Examples: + +```SQL +IoTDB> SHOW ACTIVATION +``` + +Execution result: + +```SQL ++---------------+---------+-----------------------------+ +| LicenseInfo| Usage| Limit| ++---------------+---------+-----------------------------+ +| Status|ACTIVATED| -| +| ExpiredTime| -|2026-04-30T00:00:00.000+08:00| +| DataNodeLimit| 1| Unlimited| +| CpuLimit| 16| Unlimited| +| DeviceLimit| 30| Unlimited| +|TimeSeriesLimit| 72| 1,000,000,000| ++---------------+---------+-----------------------------+ +``` + ## 2. Status Setting ### 2.1 Setting the Connected Model diff --git a/src/UserGuide/latest/SQL-Manual/SQL-Manual_timecho.md b/src/UserGuide/latest/SQL-Manual/SQL-Manual_timecho.md index 0844f03d1..04818825f 100644 --- a/src/UserGuide/latest/SQL-Manual/SQL-Manual_timecho.md +++ b/src/UserGuide/latest/SQL-Manual/SQL-Manual_timecho.md @@ -842,7 +842,7 @@ select * into ::(backup_${4}) from root.sg.** align by device; select s1, s2 into root.sg_copy.d1(t1, t2), aligned root.sg_copy.d2(t1, t2) from root.sg.d1, root.sg.d2 align by device; ``` -## 7. Maintennance +## 7. Maintenance Generate the corresponding query plan: ```sql explain select s1,s2 from root.sg.d1; @@ -851,6 +851,9 @@ Execute the corresponding SQL, analyze the execution and output: ```sql explain analyze select s1,s2 from root.sg.d1 order by s1; ``` + +For more Maintenance commands, please refer to[Maintenance commands](../User-Manual/Maintenance-commands_timecho.md) + ## 8. OPERATOR For more details, see document [Operator-and-Expression](./Operator-and-Expression.md). diff --git a/src/UserGuide/latest/User-Manual/Maintenance-commands_timecho.md b/src/UserGuide/latest/User-Manual/Maintenance-commands_timecho.md index 54259334a..f28fea1ad 100644 --- a/src/UserGuide/latest/User-Manual/Maintenance-commands_timecho.md +++ b/src/UserGuide/latest/User-Manual/Maintenance-commands_timecho.md @@ -302,6 +302,39 @@ Execution result: +--------------+-------------+---------+ ``` +### 1.9 View Cluster Activation Status + +**Description**：Returns the activation status of the current cluster. + +#### Syntax: + +```SQL +showActivationStatement + : SHOW ACTIVATION + ; +``` + +#### Examples: + +```SQL +IoTDB> SHOW ACTIVATION +``` + +Execution result: + +```SQL ++---------------+---------+-----------------------------+ +| LicenseInfo| Usage| Limit| ++---------------+---------+-----------------------------+ +| Status|ACTIVATED| -| +| ExpiredTime| -|2026-04-30T00:00:00.000+08:00| +| DataNodeLimit| 1| Unlimited| +| CpuLimit| 16| Unlimited| +| DeviceLimit| 30| Unlimited| +|TimeSeriesLimit| 72| 1,000,000,000| ++---------------+---------+-----------------------------+ +``` + ## 2. Status Setting diff --git a/src/zh/UserGuide/Master/Table/SQL-Manual/SQL-Maintenance-Statements_timecho.md b/src/zh/UserGuide/Master/Table/SQL-Manual/SQL-Maintenance-Statements_timecho.md index 4793ddd1f..cd2206af9 100644 --- a/src/zh/UserGuide/Master/Table/SQL-Manual/SQL-Maintenance-Statements_timecho.md +++ b/src/zh/UserGuide/Master/Table/SQL-Manual/SQL-Maintenance-Statements_timecho.md @@ -196,9 +196,7 @@ IoTDB> SHOW CURRENT_TIMESTAMP ### 1.8 查看分区信息 -**含义**：返回当前集群的分区信息。 - -#### 语法： +**语法：** ```SQL showRegionsStatement @@ -206,15 +204,10 @@ showRegionsStatement ; ``` -#### 示例： +**示例：** ```SQL IoTDB> SHOW REGIONS -``` - -执行结果如下： - -```SQL +--------+------------+-------+----------+-------------+-----------+----------+----------+-------+---------------+------+-----------------------+----------+ |RegionId| Type| Status| Database|SeriesSlotNum|TimeSlotNum|DataNodeId|RpcAddress|RpcPort|InternalAddress| Role| CreateTime|TsFileSize| +--------+------------+-------+----------+-------------+-----------+----------+----------+-------+---------------+------+-----------------------+----------+ @@ -226,11 +219,9 @@ IoTDB> SHOW REGIONS ### 1.9 查看可用节点 -**含义**：返回当前集群所有可用的 DataNode 的 RPC 地址和端口。注意：这里对于“可用”的定义为：处于非 REMOVING 状态的 DN 节点。 - > V2.0.8 起支持该功能 -#### 语法： +**语法：** ```SQL showAvailableUrlsStatement @@ -238,15 +229,10 @@ showAvailableUrlsStatement ; ``` -#### 示例： +**示例：** ```SQL IoTDB> SHOW AVAILABLE URLS -``` - -执行结果如下： - -```SQL +----------+-------+ |RpcAddress|RpcPort| +----------+-------+ @@ -254,6 +240,57 @@ IoTDB> SHOW AVAILABLE URLS +----------+-------+ ``` +### 1.10 查看服务信息 + +> V2.0.8.2 起支持该功能 + +**语法：** + +```SQL +showServicesStatement + : SHOW SERVICES + ; +``` + +**示例：** + +```SQL +IoTDB> SHOW SERVICES +IoTDB> SHOW SERVICES ON 1 ++------------+-----------+-------+ +|service_name|datanode_id| state| ++------------+-----------+-------+ +| MQTT| 1|STOPPED| +| REST| 1|RUNNING| ++------------+-----------+-------+ +``` + +### 1.11 查看集群激活状态 + +**语法：** + +```SQL +showActivationStatement + : SHOW ACTIVATION + ; +``` + +**示例：** + +```SQL +IoTDB> SHOW ACTIVATION ++---------------+---------+-----------------------------+ +| LicenseInfo| Usage| Limit| ++---------------+---------+-----------------------------+ +| Status|ACTIVATED| -| +| ExpiredTime| -|2026-04-30T00:00:00.000+08:00| +| DataNodeLimit| 1| Unlimited| +| CpuLimit| 16| Unlimited| +| DeviceLimit| 30| Unlimited| +|TimeSeriesLimit| 72| 1,000,000,000| ++---------------+---------+-----------------------------+ +``` + ## 2. 状态设置 @@ -372,31 +409,6 @@ localOrClusterMode IoTDB> FLUSH test_db TRUE ON LOCAL; ``` -### 3.2 清除 DataNode 上的缓存 - -**语法：** - -```SQL -clearCacheStatement - : CLEAR clearCacheOptions? CACHE localOrClusterMode? - ; - -clearCacheOptions - : ATTRIBUTE - | QUERY - | ALL - ; - -localOrClusterMode - : (ON (LOCAL | CLUSTER)) - ; -``` - -**示例：** - -```SQL -IoTDB> CLEAR ALL CACHE ON LOCAL; -``` ## 4. 数据修复 diff --git a/src/zh/UserGuide/Master/Table/User-Manual/Maintenance-statement_timecho.md b/src/zh/UserGuide/Master/Table/User-Manual/Maintenance-statement_timecho.md index 788ed3e7c..6a7e9ee52 100644 --- a/src/zh/UserGuide/Master/Table/User-Manual/Maintenance-statement_timecho.md +++ b/src/zh/UserGuide/Master/Table/User-Manual/Maintenance-statement_timecho.md @@ -398,6 +398,41 @@ IoTDB> SHOW SERVICES ON 1 +------------+-----------+-------+ ``` +### 1.12 查看集群激活状态 + +**含义**：返回当前集群的激活状态。 + +#### 语法： + +```SQL +showActivationStatement + : SHOW ACTIVATION + ; +``` + +#### 示例： + +```SQL +IoTDB> SHOW ACTIVATION +``` + +执行结果如下： + +```SQL ++---------------+---------+-----------------------------+ +| LicenseInfo| Usage| Limit| ++---------------+---------+-----------------------------+ +| Status|ACTIVATED| -| +| ExpiredTime| -|2026-04-30T00:00:00.000+08:00| +| DataNodeLimit| 1| Unlimited| +| CpuLimit| 16| Unlimited| +| DeviceLimit| 30| Unlimited| +|TimeSeriesLimit| 72| 1,000,000,000| ++---------------+---------+-----------------------------+ +``` + + + ## 2. 状态设置 ### 2.1 设置连接的模型 @@ -585,7 +620,6 @@ localOrClusterMode IoTDB> FLUSH test_db TRUE ON LOCAL; ``` - ## 4. 数据修复 ### 4.1 启动后台扫描并修复 tsfile 任务 diff --git a/src/zh/UserGuide/Master/Tree/SQL-Manual/SQL-Manual_timecho.md b/src/zh/UserGuide/Master/Tree/SQL-Manual/SQL-Manual_timecho.md index 8a7cfb0d3..0c70a2dba 100644 --- a/src/zh/UserGuide/Master/Tree/SQL-Manual/SQL-Manual_timecho.md +++ b/src/zh/UserGuide/Master/Tree/SQL-Manual/SQL-Manual_timecho.md @@ -867,6 +867,9 @@ explain select s1,s2 from root.sg.d1; ```sql explain analyze select s1,s2 from root.sg.d1 order by s1; ``` + +更多运维语句可查看[运维语句](../User-Manual/Maintenance-statement_timecho.md) + ## 6. 运算符 更多见文档[Operator-and-Expression](./Operator-and-Expression.md) diff --git a/src/zh/UserGuide/Master/Tree/User-Manual/Maintenance-statement_timecho.md b/src/zh/UserGuide/Master/Tree/User-Manual/Maintenance-statement_timecho.md index c5b369ca7..1a6f51277 100644 --- a/src/zh/UserGuide/Master/Tree/User-Manual/Maintenance-statement_timecho.md +++ b/src/zh/UserGuide/Master/Tree/User-Manual/Maintenance-statement_timecho.md @@ -306,6 +306,40 @@ IoTDB> SHOW SERVICES ON 1 +------------+-----------+-------+ ``` +### 1.9 查看集群激活状态 + +**含义**：返回当前集群的激活状态。 + +#### 语法： + +```SQL +showActivationStatement + : SHOW ACTIVATION + ; +``` + +#### 示例： + +```SQL +IoTDB> SHOW ACTIVATION +``` + +执行结果如下： + +```SQL ++---------------+---------+-----------------------------+ +| LicenseInfo| Usage| Limit| ++---------------+---------+-----------------------------+ +| Status|ACTIVATED| -| +| ExpiredTime| -|2026-04-30T00:00:00.000+08:00| +| DataNodeLimit| 1| Unlimited| +| CpuLimit| 16| Unlimited| +| DeviceLimit| 30| Unlimited| +|TimeSeriesLimit| 72| 1,000,000,000| ++---------------+---------+-----------------------------+ +``` + + ## 2. 状态设置 ### 2.1 设置连接的模型 diff --git a/src/zh/UserGuide/latest-Table/SQL-Manual/SQL-Maintenance-Statements_timecho.md b/src/zh/UserGuide/latest-Table/SQL-Manual/SQL-Maintenance-Statements_timecho.md index 4793ddd1f..cd2206af9 100644 --- a/src/zh/UserGuide/latest-Table/SQL-Manual/SQL-Maintenance-Statements_timecho.md +++ b/src/zh/UserGuide/latest-Table/SQL-Manual/SQL-Maintenance-Statements_timecho.md @@ -196,9 +196,7 @@ IoTDB> SHOW CURRENT_TIMESTAMP ### 1.8 查看分区信息 -**含义**：返回当前集群的分区信息。 - -#### 语法： +**语法：** ```SQL showRegionsStatement @@ -206,15 +204,10 @@ showRegionsStatement ; ``` -#### 示例： +**示例：** ```SQL IoTDB> SHOW REGIONS -``` - -执行结果如下： - -```SQL +--------+------------+-------+----------+-------------+-----------+----------+----------+-------+---------------+------+-----------------------+----------+ |RegionId| Type| Status| Database|SeriesSlotNum|TimeSlotNum|DataNodeId|RpcAddress|RpcPort|InternalAddress| Role| CreateTime|TsFileSize| +--------+------------+-------+----------+-------------+-----------+----------+----------+-------+---------------+------+-----------------------+----------+ @@ -226,11 +219,9 @@ IoTDB> SHOW REGIONS ### 1.9 查看可用节点 -**含义**：返回当前集群所有可用的 DataNode 的 RPC 地址和端口。注意：这里对于“可用”的定义为：处于非 REMOVING 状态的 DN 节点。 - > V2.0.8 起支持该功能 -#### 语法： +**语法：** ```SQL showAvailableUrlsStatement @@ -238,15 +229,10 @@ showAvailableUrlsStatement ; ``` -#### 示例： +**示例：** ```SQL IoTDB> SHOW AVAILABLE URLS -``` - -执行结果如下： - -```SQL +----------+-------+ |RpcAddress|RpcPort| +----------+-------+ @@ -254,6 +240,57 @@ IoTDB> SHOW AVAILABLE URLS +----------+-------+ ``` +### 1.10 查看服务信息 + +> V2.0.8.2 起支持该功能 + +**语法：** + +```SQL +showServicesStatement + : SHOW SERVICES + ; +``` + +**示例：** + +```SQL +IoTDB> SHOW SERVICES +IoTDB> SHOW SERVICES ON 1 ++------------+-----------+-------+ +|service_name|datanode_id| state| ++------------+-----------+-------+ +| MQTT| 1|STOPPED| +| REST| 1|RUNNING| ++------------+-----------+-------+ +``` + +### 1.11 查看集群激活状态 + +**语法：** + +```SQL +showActivationStatement + : SHOW ACTIVATION + ; +``` + +**示例：** + +```SQL +IoTDB> SHOW ACTIVATION ++---------------+---------+-----------------------------+ +| LicenseInfo| Usage| Limit| ++---------------+---------+-----------------------------+ +| Status|ACTIVATED| -| +| ExpiredTime| -|2026-04-30T00:00:00.000+08:00| +| DataNodeLimit| 1| Unlimited| +| CpuLimit| 16| Unlimited| +| DeviceLimit| 30| Unlimited| +|TimeSeriesLimit| 72| 1,000,000,000| ++---------------+---------+-----------------------------+ +``` + ## 2. 状态设置 @@ -372,31 +409,6 @@ localOrClusterMode IoTDB> FLUSH test_db TRUE ON LOCAL; ``` -### 3.2 清除 DataNode 上的缓存 - -**语法：** - -```SQL -clearCacheStatement - : CLEAR clearCacheOptions? CACHE localOrClusterMode? - ; - -clearCacheOptions - : ATTRIBUTE - | QUERY - | ALL - ; - -localOrClusterMode - : (ON (LOCAL | CLUSTER)) - ; -``` - -**示例：** - -```SQL -IoTDB> CLEAR ALL CACHE ON LOCAL; -``` ## 4. 数据修复 diff --git a/src/zh/UserGuide/latest-Table/User-Manual/Maintenance-statement_timecho.md b/src/zh/UserGuide/latest-Table/User-Manual/Maintenance-statement_timecho.md index 81c6e2e7c..f07826b81 100644 --- a/src/zh/UserGuide/latest-Table/User-Manual/Maintenance-statement_timecho.md +++ b/src/zh/UserGuide/latest-Table/User-Manual/Maintenance-statement_timecho.md @@ -398,6 +398,40 @@ IoTDB> SHOW SERVICES ON 1 +------------+-----------+-------+ ``` +### 1.12 查看集群激活状态 + +**含义**：返回当前集群的激活状态。 + +#### 语法： + +```SQL +showActivationStatement + : SHOW ACTIVATION + ; +``` + +#### 示例： + +```SQL +IoTDB> SHOW ACTIVATION +``` + +执行结果如下： + +```SQL ++---------------+---------+-----------------------------+ +| LicenseInfo| Usage| Limit| ++---------------+---------+-----------------------------+ +| Status|ACTIVATED| -| +| ExpiredTime| -|2026-04-30T00:00:00.000+08:00| +| DataNodeLimit| 1| Unlimited| +| CpuLimit| 16| Unlimited| +| DeviceLimit| 30| Unlimited| +|TimeSeriesLimit| 72| 1,000,000,000| ++---------------+---------+-----------------------------+ +``` + + ## 2. 状态设置 ### 2.1 设置连接的模型 diff --git a/src/zh/UserGuide/latest/SQL-Manual/SQL-Manual_timecho.md b/src/zh/UserGuide/latest/SQL-Manual/SQL-Manual_timecho.md index 8a7cfb0d3..0c70a2dba 100644 --- a/src/zh/UserGuide/latest/SQL-Manual/SQL-Manual_timecho.md +++ b/src/zh/UserGuide/latest/SQL-Manual/SQL-Manual_timecho.md @@ -867,6 +867,9 @@ explain select s1,s2 from root.sg.d1; ```sql explain analyze select s1,s2 from root.sg.d1 order by s1; ``` + +更多运维语句可查看[运维语句](../User-Manual/Maintenance-statement_timecho.md) + ## 6. 运算符 更多见文档[Operator-and-Expression](./Operator-and-Expression.md) diff --git a/src/zh/UserGuide/latest/User-Manual/Maintenance-statement_timecho.md b/src/zh/UserGuide/latest/User-Manual/Maintenance-statement_timecho.md index c5b369ca7..1a6f51277 100644 --- a/src/zh/UserGuide/latest/User-Manual/Maintenance-statement_timecho.md +++ b/src/zh/UserGuide/latest/User-Manual/Maintenance-statement_timecho.md @@ -306,6 +306,40 @@ IoTDB> SHOW SERVICES ON 1 +------------+-----------+-------+ ``` +### 1.9 查看集群激活状态 + +**含义**：返回当前集群的激活状态。 + +#### 语法： + +```SQL +showActivationStatement + : SHOW ACTIVATION + ; +``` + +#### 示例： + +```SQL +IoTDB> SHOW ACTIVATION +``` + +执行结果如下： + +```SQL ++---------------+---------+-----------------------------+ +| LicenseInfo| Usage| Limit| ++---------------+---------+-----------------------------+ +| Status|ACTIVATED| -| +| ExpiredTime| -|2026-04-30T00:00:00.000+08:00| +| DataNodeLimit| 1| Unlimited| +| CpuLimit| 16| Unlimited| +| DeviceLimit| 30| Unlimited| +|TimeSeriesLimit| 72| 1,000,000,000| ++---------------+---------+-----------------------------+ +``` + + ## 2. 状态设置 ### 2.1 设置连接的模型