Help Center/ MapReduce Service/ User Guide/ MRS Cluster O&M/ MRS Cluster Alarm Handling Reference/ ALM-50605 LDMS Task Execution Failure
Updated on 2026-09-24 GMT+08:00
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ALM-50605 LDMS Task Execution Failure

This section applies only to MRS 3.6.0 or later.

Alarm Description

LDMS monitors jobs submitted to Yarn. If a job fails, LDMS reports a task failure alarm.

Alarm Attributes

Alarm ID

Alarm Severity

Auto Cleared

50605

Major

Yes

Alarm Parameters

Type

Parameter

Description

Location Information

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.

Additional Information

Task Failure Rate

Specifies the tenant name of the compute instance for which the alarm was generated and how much the threshold is exceeded.

Impact on the System

If the task failure rate of LDMS compute instances is too high, service running is adversely affected. You need to locate and rectify the fault in a timely manner.

Possible Causes

The table attributes and permissions are incorrect, and the parameter settings are improper.

Handling Procedure

Check whether compute instance resources are properly configured.

  1. Log in to FusionInsight Manager as an administrator who can access the LDMS web UI.
  2. Choose O&M > Alarm > Alarms. In the right pane, click alarm LDMS Task Execution Failure, and view and record the tenant name in Additional Information.
  3. Choose Cluster > Services > LDMS. On the basic information area of the Dashboard page, click the link following LDMSServer to access the LDMSServer page.
  4. On the Alarms > Job page, locate the failed job.
  5. Locate the failed job on Yarn based on the job information.

    Click the application ID of the failed job to go to the job page.

    Click Logs in the Logs column to view stdout logs.

    View the logs of the failed job to rectify the fault, or contact the O&M technical support and send the collected fault logs. No further action is required.

    If logs are unavailable on the Yarn page, download logs from HDFS.

Alarm Clearance

This alarm is automatically cleared after the fault is rectified.

Related Information

None

Parent Topic: MRS Cluster Alarm Handling Reference