- FusionInsight Manager Operation Guide (Applicable to 3.x)
- Alarm Reference (Applicable to MRS 3.x)
- ALM-45615 CDL Service Unavailable
ALM-45615 CDL Service Unavailable¶
Description¶
The system checks the CDL health status every 60 seconds. This alarm is generated when the CDL health status is DOWN. This alarm is cleared when the system detects that the CDL health status is UP.
Attribute¶
Alarm ID | Alarm Severity | Auto Clear |
---|---|---|
45615 | Critical | Yes |
Parameters¶
Name | Meaning |
---|---|
Source | Specifies the cluster for which the alarm is generated. |
ServiceName | Specifies the service for which the alarm is generated. |
RoleName | Specifies the role for which the alarm is generated. |
HostName | Specifies the host for which the alarm is generated. |
Impact on the System¶
The CDL service is abnormal. You cannot use FusionInsight Manager to perform cluster operations on the CDL service. The CDL service function is unavailable.
Possible Causes¶
All CDLService or CDLConnector instances of the CDL service are abnormal, and the Kafka service is unavailable.
Procedure¶
Check whether the Kafka service on which the CDL service depends is abnormal.
On FusionInsight Manager, choose O&M > Alarm > Alarms.
In the alarm list, check whether ALM-38000 Kafka Service Unavailable exists.
Handle the alarm by referring to "ALM-38000 Kafka Service Unavailable".
After the alarm is cleared, wait a few minutes and check whether the alarm HetuServer Service Unavailable is cleared.
If yes, no further action is required.
If no, go to 5.
Check whether CDL instances are faulty.
On FusionInsight Manager, choose Cluster > Name of the desired cluster > Service > CDL > Instance.
Check whether all CDLService and CDLConnector instances are faulty.
Collect the fault information.
On FusionInsight Manager, choose O&M. In the navigation pane on the left, choose Log > Download.
Expand the Service drop-down list, and select CDL for the target cluster.
Click in the upper right corner, and set Start Date and End Date for log collection to 30 minutes ahead of and after the alarm generation time respectively. Then, click Download.
Contact O&M personnel and provide the collected logs.
Alarm Clearing¶
After the service is restored, the system automatically clears the alarm.
Related Information¶
None