ALM-45592 IoTDBServer RPC Execution Duration Exceeds the Threshold

Alarm Description

The system checks the RPC execution duration of the IoTDBServer process every 60 seconds. This alarm is generated when the execution duration exceeds the threshold. This alarm is cleared when the RPC execution time of the IoTDBServer process is less than the threshold.

Alarm Attributes

Alarm ID	Alarm Severity	Auto Cleared
45592	Major	Yes

Alarm Parameters

Parameter	Description
Source	Specifies the cluster for which the alarm was generated.
ServiceName	Specifies the service for which the alarm was generated.
RoleName	Specifies the role for which the alarm was generated.
HostName	Specifies the host for which the alarm was generated.

Impact on the System

The read and write performance of the IoTDBServer process deteriorates.

Possible Causes

The processing duration of an IoTDBServer RPC request exceeds the threshold. Logs need to be further analyzed to locate the cause.

Handling Procedure

Collect fault information.

Log in to FusionInsight Manager and 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.