Help Center > > User Guide> FusionInsight Manager Operation Guide> Alarm Reference (Applicable to MRS 3.x)> ALM-24003 Flume Client Disconnected

ALM-24003 Flume Client Disconnected

Updated at: Mar 25, 2021 GMT+08:00

Description

The alarm module monitors the status of the Flume Server connection port. The Flume Client connects to a port of the Flume Server. This alarm is generated if the connection is not created in 3 minutes.

This alarm is cleared when the Flume Server receives the Flume Client connection message.

Attribute

Alarm ID

Alarm Severity

Automatically Cleared

24003

Major

Yes

Parameters

Name

Meaning

Source

Specifies the cluster for which the alarm is generated.

ClientIP

Specifies the IP address of the Flume client.

ClientName

Specifies the agent name of the Flume client.

SinkName

Specifies the sink name of Flume Agent.

Impact on the System

The Flume Client for which the alarm is generated cannot communicate with the Flume Server and the data of the Flume Client cannot be sent to the Flume Server.

Possible Causes

  • The network between the Flume Client and the Flume Server is abnormal.
  • The Flume Client process is faulty.
  • The Flume Client configuration is incorrect.

Procedure

Check the status of the network between the Flume Client and the Flume Server.

  1. Log in the host that corresponds to the Flume Client IP address in the alarm location parameter as user root.
  2. Run the ping Flume Server IP address command to check whether the network between the Flume Client and the Flume Server is normal.

    • If yes, go to 3.
    • If no, go to 11.

Check whether the Flume Client process is faulty.

  1. Log in the host that corresponds to the Flume Client IP address in the alarm location parameter as user root.
  2. Run the ps -ef|grep flume |grep client command to check whether the Flume Client process exists.

    • If yes, go to 5.
    • If no, go to 11.

Check the configuration of the Flume Client.

  1. Log in the host that corresponds to the Flume Client IP address in the alarm location parameter as user root.
  2. Run the cd Flume client installation directory/fusioninsight-flume-1.9.0/conf/ command to go to the Flume configuration directory.
  3. Run the cat properties.properties command to view the current Flume Client configuration file:
  4. Check whether properties.properties is configured properly according to the Flume Client configuration description.

    • If yes, go to 9.
    • If no, go to 11.

  5. Modify the properties.properties configuration file.

    Check whether the alarm is cleared from the alarm list.

  6. Check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 11.

Collect fault information.

  1. On the FusionInsight Manager portal, choose O&M > Log > Download.
  2. Select Flume in the required cluster from the Service drop-down list box.
  3. Click 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. Use a transmission tool, to collect logs in /var/log/Bigdata/flume-client on the Flume Client.
  5. Contact the O&M personnel and send the collected logs.

Alarm Clearing

After the fault is rectified, the system automatically clears this alarm.

Related Information

None

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