ALM-50225 FE Instance Fault

Alarm Description

The system checks the FE process status every 30 seconds. This alarm is generated when the value is greater than 0 (0 indicates that the FE process is normal and 1 indicates that the FE process is abnormal).

This alarm is cleared when the system detects that the FE process becomes normal.

Alarm Attributes

Alarm ID	Alarm Severity	Auto Cleared
50225	Critical	Yes

Alarm Parameters

Parameter	Description
Source	Specifies the cluster or system 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.
Trigger Condition	Specifies the threshold for triggering the alarm.

Impact on the System

The FE instance is unavailable and cannot respond to client requests.

Possible Causes

The FE instance is faulty or restarted.

Handling Procedure

Log in to FusionInsight Manager and choose O&M > Alarm > Alarms. In the alarm list, view the role name and obtain the IP address of the instance in Location of the alarm whose ID is 50225.
Choose Cluster > Services > Doris > Instances, click the FE instance for which the alarm is generated, and check whether Running Status of the instance is Restoring.
- If yes, go to 3.
- If no, go to 4.
Wait 2 minutes and check whether the alarm is automatically cleared.
- If yes, no further action is required.
- If no, go to 4.

Collect fault information.

On FusionInsight Manager, choose O&M. In the navigation pane on the left, choose Log > Download.
Expand the Service drop-down list, select Doris for the target cluster, and click OK.
Click the edit icon in the upper right corner, and set Start Date and End Date for log collection to 10 minutes ahead of and after the alarm generation time, respectively. Then, click Download.
Contact O&M personnel and provide the collected logs.