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Yang, Tong 3b1f73dece MRS UMN 2.0.38.SP20 version 
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: Yang, Tong <yangtong2@huawei.com>
Co-committed-by: Yang, Tong <yangtong2@huawei.com>
2022-12-13 12:03:34 +00:00

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ALM-16047 HiveServer Has Been Deregistered from ZooKeeper

Description

The system checks the Hive service every 60 seconds. This alarm is generated when Hive registration information on ZooKeeper is lost or Hive cannot connect to ZooKeeper.

Attribute

Alarm ID

Alarm Severity

Auto Clear

16047

Major

Yes

Parameters

Name

Meaning

Source

Specifies the cluster 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.

Impact on the System

If the Hive configuration cannot be read from ZooKeeper, HiveServer will be unavailable.

Possible Causes

  • The network is disconnected.
  • The ZooKeeper instance is abnormal.

Procedure

Restart related instances.

  1. Log in to FusionInsight Manager. Choose O&M > Alarm > Alarms, click the drop-down list in the row that contains the alarm, and view role and the IP address of the node for which the alarm is generated in Location.
  2. Choose Cluster > Name of the desired cluster > Services > Hive > Instance, select the instance at the IP address for which the alarm is generated, and choose More > Restart Instance.
  3. Wait for 5 minutes and check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 4.

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 Hive for the target cluster.
  3. Click 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.
  4. Contact O&M personnel and provide the collected logs.

Alarm Clearing

This alarm is automatically cleared after the fault is rectified.

Related Information

None