ALM-45594 IoTDBServer Intra-Space Merge Duration Exceeds the Threshold¶
Description¶
This alarm is generated when the merge duration in the space exceeds the threshold. This alarm is cleared when the merge duration in the space is less than the threshold.
Attribute¶
Alarm ID | Alarm Severity | Auto Clear |
|---|---|---|
45594 | Major | 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¶
Data write is blocked and the write operation performance is affected.
Possible Causes¶
The merge task in the IoTDB space of the node is slow. You need to further analyze logs.
Procedure¶
Collect fault information.
Log in to FusionInsight Manager, choose O&M > Alarm > Alarms. In the real-time alarm list, click
in front of this alarm and view the role name and instance IP address in Location.Choose O&M > Log > Download.
Expand the Service drop-down list, select IoTDB for the target cluster, and click OK.
Expand the Hosts drop-down list. In the Select Host dialog box that is displayed, select the host queried in 1, and click OK.
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¶
This alarm is automatically cleared after the fault is rectified.