Help Center/ MapReduce Service/ User Guide/ Alarm Reference (Applicable to MRS 3.x)/ ALM-24000 Flume Service Unavailable
Updated on 2024-04-11 GMT+08:00
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ALM-24000 Flume Service Unavailable

Alarm Description

The alarm module checks the Flume service status every 180 seconds. This alarm is generated if the Flume service is abnormal.

This alarm is automatically cleared after the Flume service recovers.

Alarm Attributes

Alarm ID

Alarm Severity

Auto Cleared

24000

Critical

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

Flume cannot work and data transmission is interrupted.

Possible Causes

All Flume instances are faulty.

Handling Procedure

  1. Log in to a Flume node as user omm and run the ps -ef|grep "flume.role=server" command to check whether the Flume process exists on the node.

    • If yes, go to 3.
    • If no, restart the faulty Flume node or Flume service and go to 2.

  2. In the alarm list, check whether alarm "Flume Service Unavailable" is cleared.

    • If yes, no further action is required.
    • If no, go to 3.

Collect the fault information.

  1. On FusionInsight Manager, choose O&M. In the navigation pane on the left, choose Log > Download.
  2. Expand the Service drop-down list, and select Flume for the target cluster.
  3. Click the edit icon in the upper right corner, and set Start Date and End Date for log collection to 1 hour ahead of and after the alarm generation time, respectively. Then, click Download.
  4. Contact O&M personnel and provide the collected logs.

Alarm Clearance

This alarm is automatically cleared after the fault is rectified.

Related Information

None