This section applies to MRS 3.1.2-LTS.6 or later.
The system checks the back pressure duration of FlinkServer tasks based on the configured alarm checking interval. This alarm is generated when the back pressure duration of a FlinkServer task reaches the configured threshold. This alarm is cleared when the task back pressure is recovered or the job is successfully restarted.
Alarm ID |
Alarm Severity |
Auto Clear |
---|---|---|
45637 |
Minor |
Yes |
Name |
Meaning |
---|---|
Source |
Specifies the cluster for which the alarm is generated. |
ServiceName |
Specifies the service for which the alarm is generated. |
JobName |
Specifies the job for which the alarm is generated. |
This alarm has no impact on the system.
You can view the causes in the specific logs.
If yes, go to 4.
If no, go to 6.
You can also log in to Manager as a user who has the FlinkServer management permission, choose Cluster > Services > Flink, click the link next to Flink WebUI. On the displayed Flink web UI, click Job Management and choose More > Job Monitoring in the Operation column to view the TaskManager logs.
If logs are unavailable on the Yarn page, download logs from HDFS.
This alarm is cleared when FlinkServer task back pressure is recovered or the job is successfully restarted.
None