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  6. ALM-16000 Percentage of Sessions Connected to the HiveServer to Maximum Number Allowed Exceeds the Threshold

ALM-16000 Percentage of Sessions Connected to the HiveServer to Maximum Number Allowed Exceeds the Threshold

Description

The system checks the percentage of sessions connected to the HiveServer to the maximum number allowed every 30 seconds. This indicator can be viewed on the Hive service monitoring page. This alarm is generated when the percentage exceeds the specified threshold and is automatically cleared when the percentage is less than or equal to the threshold.

Attribute

Alarm ID

Alarm Severity

Automatically Cleared

16000

Major

Yes

Parameters

Parameter

Description

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.

Trigger condition

Generates an alarm when the actual indicator value exceeds the specified threshold.

Impact on the System

New connections cannot be created.

Possible Causes

Too many clients are connected to the HiveServer.

Procedure

  1. Increase the maximum number of connections to Hive.

    1. Log in to the MRS Manager portal.
    2. Choose Service > Hive > Service Configuration, and set Type to All.
    3. Increase the value of the hive.server.session.control.maxconnections configuration item.

      Suppose the value of the configuration item is A, the threshold is B, and sessions connected to the HiveServer is C. Adjust the value of the configuration item according to A x B > C. Sessions connected to the HiveServer can be viewed on the Hive service monitoring page.

    4. Check whether the alarm is cleared.
      • If yes, no further action is required.
      • If no, go to Step 2.

  2. Collect fault information.

    1. On MRS Manager, choose System > Export Log.
    2. Contact technical support engineers for help, detail see technical support.

Related Information

N/A