• MapReduce Service

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  1. Help Center
  2. MapReduce Service
  3. User Guide
  4. MRS Manager Operation Guide
  5. Monitoring Management
  6. Managing Service and Host Monitoring

Managing Service and Host Monitoring

Scenario

On MRS Manager, you can manage status and indicator information for all services (including role instances) and hosts.

  • Status information, including operation, health, configuration, and role instance status.
  • Information about key monitoring indicators of services.
  • Monitoring indicator exports.
NOTE:

You can set an interval for automatic page refreshing or click to refresh the page immediately.

The following parameters are supported:

  • Refresh every 30 seconds: refreshes the page once every 30 seconds.
  • Refresh every 60 seconds: refreshes the page once every 60 seconds.
  • Stop refreshing: stops page refreshing.

Managing Service Monitoring

  1. On MRS Manager, click Service to view the status of all services.

    The service list includes ServiceOperating StatusHealth StatusConfiguration StatusRoles, and Operation.

    • Table 1 describes service operating status.
      Table 1 Service operating status

      Status

      Description

      Started

      Indicates that the service is started.

      Stopped

      Indicates that the service is stopped.

      Failed to start

      Indicates that the service fails to be started.

      Failed to stop

      Indicates that the service fails to be stopped.

      Unknown

      Indicates the initial service status after the background system restarts.

    • Table 2 describes service health status.
      Table 2 Service health status

      Status

      Description

      Good

      Indicates that all role instances in the service are running properly.

      Bad

      Indicates that at least one role instance in the service is in the Bad state or that the dependent service is abnormal.

      Unknown

      Indicates that all role instances in the service are in the Unknown state.

      Concerning

      Indicates that the background system is restarting the service.

      Partially Healthy

      Indicates that the service that this service depends on is abnormal and the interfaces of the abnormal service cannot be invoked externally.

    • Table 3 describes service configuration status.
      Table 3 Service configuration status

      Status

      Description

      Synchronized

      Indicates that the latest configuration has taken effect.

      Expired

      Indicates that the latest configuration has not taken effect after the parameter modification. You need to restart the related services.

      Failed

      Indicates that communication is abnormal or data cannot be read or written during the parameter configuration. Try clicking Synchronize Configuration to recover the previous configuration.

      Configuring

      Indicates that the parameter is being configured.

      Unknown

      Indicates that current configuration status cannot be obtained.

    By default, services are displayed in ascending order by Service You can click ServiceOperating StatusHealth Status, or Configuration Status to change the display mode.

  2. Click the target service in the service list to view its status and indicator information.
  3. Customize monitoring indicators and export customized monitoring information.

    1. In the Real-Time Statistics area, click Customize to customize key monitoring indicators.
    2. Click History to display the page in which you can query historical monitoring information.
    3. Select a time period, and click View to display the monitoring data in the specified time period.
    4. Click Export to export the displayed indicator information.

Managing Role Instance Monitoring

  1. On MRS Manager, click Service, and click the target service in the service list.
  2. Click Instance to view the role instance status.

    The role instance list includes RoleHost NameOM IP AddressBusiness IP AddressRackOperating StatusHealth Status and Configuration Status.

    • Table 4 describes role instance operating status.
      Table 4 Role instance operating status

      Status

      Description

      Started

      Indicates that the role instance is started.

      Stopped

      Indicates that the role instance is stopped.

      Failed to start

      Indicates that the role instance fails to be started.

      Failed to stop

      Indicates that the role instance fails to be stopped.

      Decommissioning

      Indicates that the role instance is being decommissioned.

      Decommissioned

      Indicates that the role instance has been decommissioned.

      Recommissioning

      Indicates that the role instance is being re-commissioned.

      Unknown

      Indicates the initial role instance status after the background system restarts.

    • Table 5 describes role instance health status.
      Table 5 Role instance health status

      Status

      Description

      Good

      Indicates that the role instance is running properly.

      Bad

      Indicates that the role instance running is abnormal. For example, a port cannot be accessed because the PID does not exist.

      Unknown

      Indicates that the host on which the role instance is running does not connect to the background system.

      Concerning

      Indicates that the background system is restarting the role instance.

    • Table 6 describes role instance configuration status.
      Table 6 Role instance configuration status

      Status

      Description

      Synchronized

      Indicates that the latest configuration has taken effect.

      Expired

      Indicates that the latest configuration has not taken effect after the parameter modification. You need to restart the related services.

      Failed

      Indicates that communication is abnormal or data cannot be read or written during the parameter configuration. Try clicking Synchronize Configuration to recover the previous configuration.

      Configuring

      Indicates that the parameter is being configured.

      Unknown

      Indicates that configuration status cannot be obtained.

    By default, roles are displayed in ascending order by Role. You can click RoleHost NameOM IP AddressBusiness IP AddressRackOperating StatusHealth Status, or Configuration Status to change the display mode.

    You can filter out all instances of the same role in Role.

    Click Advanced Search, set search criteria in the role search area, and click Search to view specified role information. You can click Reset to reset search criteria. Fuzzy search is supported.

  3. Click the target role instance in the role instance list to view its status and indicator information.
  4. Customize monitoring indicators and export customized monitoring information. The operation process is the same as that of exporting service monitoring indicators.

Managing Host Monitoring

  1. On MRS Manager, click Host.

    The host list includes Host NameOM IP AddressBusiness IP AddressRackNetwork SpeedOperating StatusHealth StatusDisk UsageMemory Usage and CPU Usage.

    • Table 7 describes the operating status.
      Table 7 Host operati ng status

      Status

      Description

      Normal

      The host and service roles on the host are running properly.

      Isolated

      The host is isolated by the user, and service roles on the host are stopped.

    • Table 8 describes host health status.
      Table 8 Host health status

      Status

      Description

      Good

      Indicates that the host can properly send heartbeats.

      Bad

      Indicates that the host fails to send heartbeats due to timeout.

      Unknown

      Indicates the initial status of the host when it is being added.

    By default, roles are displayed in ascending order by Host Name. You can click Host NameOM IP AddressBusiness IP AddressRackNetWork SpeedOperating StatusHealth StatusDisk UsageMemory Usage, or CPU Usage to change the display mode.

    Click Advanced Search, set search criteria in the role search area, and click Search to view specified host information. You can click Reset to reset search criteria. Fuzzy search is supported.

  2. Click the target host in the host list to view its status and indicator information.
  3. Customize monitoring indicators and export customized monitoring information.

    1. In the Real-Time Statistics area, click Customize to customize key monitoring indicators.
    2. Click History to display the page in which you can query historical monitoring information.
    3. Select a time period, and click View to display the monitoring data in the specified time period.
    4. Click Export to export the displayed indicator information.