Viewing the Usage of the GaussDB(DWS) Resource Pool
You can check the real-time statistics and resource consumption history about resource pools.
Accessing the Resource Monitoring Page
- Log in to the DWS console.
- Choose Dedicated Clusters > Clusters and locate the cluster to be monitored.
- In the Operation column of the target cluster, click Monitoring Panel.
- In the navigation pane on the left, choose Monitoring > Resource Pool Monitoring.
Resource Pool
You can check user-defined resource pools, real-time and historical resource consumption, and the resource quotas of resource pools. You can click the setting button in the upper right corner of the list to select the metrics to be displayed in the list. For details about the metrics, see Table 1.
Metric Name |
Description |
Monitoring Interval (Raw Data) |
---|---|---|
Resource Pool |
Resource pool name. |
120s |
Monitoring |
You can click the monitoring icon to display the historical consumption trends of resources such as the CPU, memory, and disk. |
120s |
CPU Usage |
Real-time CPU usage of a resource pool |
120s |
CPU Share |
Percentage of CPU time that can be used by users associated with the current resource pool to execute jobs. |
120s |
Storage |
Storage space of a resource pool |
120s |
Disk Usage |
Real-time disk usage of a resource pool |
120s |
Memory |
Memory quota of a resource pool |
120s |
Memory Usage |
Real-time memory usage of a resource pool |
120s |
Real-Time Simple Statement Concurrency |
Number of concurrent simple queries in a resource pool. Concurrent simple queries are not controlled by the resource pool |
120s |
Simple Statement Concurrency |
Quota for simple concurrency in a resource pool. |
120s |
Real-Time Complex Statement Concurrency |
Number of concurrent complex queries in a resource pool. Concurrent complex queries are controlled by the resource pool. |
120s |
Complex Statement Concurrency |
Quota for complex concurrency in a resource pool. |
120s |
Operation |
Resource pool configurations |
- |
User Resource Usage
Click the arrow next to a resource pool name to expand resource usage details. For details about the metrics, see Table 2.
Metric Name |
Description |
Monitoring Interval (Raw Data) |
---|---|---|
Username |
Name of a user in the current resource pool |
120s |
CPU Usage |
Real-time CPU usage of a user |
120s |
CPU Share |
Percentage of CPU time that can be used by users associated with the current resource pool to execute jobs. |
120s |
Storage |
Storage space used by a user |
120s |
Disk Usage |
Real-time disk usage of a user |
120s |
Memory |
Real-time memory space of a user |
120s |
Memory Usage |
Real-time memory usage of a user |
120s |
Queries Waiting in a Resource Pool
You can view the queries waiting in a resource pool in real time to check workload status. For details about the metrics, see Table 3.
Metric Name |
Description |
Monitoring Interval (Raw Data) |
---|---|---|
User |
Username of a query statement |
60s |
Application name |
Application name of a query statement |
60s |
Database |
Name of the database corresponding to a query statement |
60s |
Queuing Status |
Queuing status of a query statement in a resource pool |
60s |
Wait Time (ms) |
Waiting time before a query statement is executed, in milliseconds |
60s |
Resource Pool |
Resource pool to which a query statement belongs |
60s |
Statement |
Details of a query statement submitted by a user |
60s |
Checking Circuit Breaking Queries
You can view the status of a triggered circuit breaking query in a resource pool. For details about the metrics, see Table 4.
Metric Name |
Description |
Monitoring Interval (Raw Data) |
---|---|---|
Query ID |
ID of a circuit breaking statement |
60s |
Statement |
Circuit breaking query statement |
60s |
Blocking Time (ms) |
Blocking time of a circuit breaking statement, in milliseconds |
60s |
Execution Time (ms) |
Execution time of a circuit breaking statement, in milliseconds |
60s |
CPU Time (ms) |
CPU time consumed by a circuit breaking statement, in milliseconds |
60s |
CPU Skew (%) |
CPU skew of a circuit breaking statement on each DN |
60s |
Exception Handling |
Exception handling method of a circuit breaking statement |
60s |
Status |
Real-time status of a circuit breaking statement |
60s |
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