DWS_2000000030 Session Usage in a DWS Cluster Exceeds the Threshold
Alarm Description
This alarm is generated by the DMS alarm module if the session usage in the cluster goes beyond the set threshold within a specific time frame and the suppression conditions are not met. The alarm will be cleared once the session usage in the cluster drops below the threshold.
Alarm Attributes
| Alarm ID | Alarm Category | Alarm Severity | Alarm Type | Service Type | Auto Cleared |
|---|---|---|---|---|---|
| DWS_2000000030 | Tenant plane | > 90 (Critical); > 80 (Major) | Service alarm | DWS | Yes |
Alarm Changes
| Change Type | Change Version | Description | Reason for Change |
|---|---|---|---|
| New | 8.2.1.230 | New alarm | New alarm |
Alarm Parameters
| Type | Parameter | Description |
|---|---|---|
| Fault Location | Cluster name | Cluster for which the alarm is generated. |
| Tenant name | Name of the tenant to which the cluster belongs. | |
| Alarm level | Severity of the alarm. | |
| Additional Information | Resource ID | ID of the cluster for which the alarm is generated. |
| Resource name | Cluster for which the alarm is generated. | |
| First_alarm_time | First occurrence event of an alarm, including the alarm threshold and current value. |
Impact on the System
The number of available sessions is insufficient, affecting service execution.
Possible Causes
The value of max_connections is too small.
Procedure
- Log in to the DWS console.
- On the Alarm page, view the alarms generated in the last seven days.
- Choose Dedicated Clusters > Clusters and locate the cluster based on the cluster information in the alarm details.
- Click the cluster name to go to the cluster details page. On the cluster details page, click Parameter Modifications, search for max_connections in the search box on the right of the parameter list, and change its value. Figure 1 Modifying parameters
Alarm Clearance
This alarm is automatically cleared after the fault is rectified.
Related Information
None
