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Host management

Host management

The Host page has a table that provides an overview of all the hosts in the Security Event Manager. You can use the Actions column to manage hosts.

The Host table contains the following columns:

Column header

Description

Status

There are three icons that represent the status of the host:

The host is healthy.

The host is in poor health.

A command is currently running on the host.

Host Name

The name of the host.

Role Type

Each host can have one of four roles. For more information about each role, see Roles.

  • Master Node
  • MetaStore Node
  • Data Node
  • Unassigned: The host is new and does not have an assigned role. Click new to assign a role to that host (see Role assignment).

Address

The IP address of the host.

Instances

The number of Service instances on each host. You can expand the row to see which instances are on each host and their current status.

CPU Usage

The percentage of the CPU being used.

Memory Usage

How much memory is being used.

Disk Usage

How much space is being used on a disk.

Actions

You can perform the following actions on each host:

  • Restart: Restart the host.
  • Status Details: See the full metrics view of the host.
  • Assign Role: Assign a role to a new host.

Host management

The Host page has a table that provides an overview of all the hosts in the Security Event Manager. You can use the Actions column to manage hosts.

The Host table contains the following columns:

Column header

Description

Status

There are three icons that represent the status of the host:

The host is healthy.

The host is in poor health.

A command is currently running on the host.

Host Name

The name of the host.

Role Type

Each host can have one of four roles. For more information about each role, see Roles.

  • Master Node
  • MetaStore Node
  • Data Node
  • Unassigned: The host is new and does not have an assigned role. Click new to assign a role to that host (see Role assignment).

Address

The IP address of the host.

Instances

The number of Service instances on each host. You can expand the row to see which instances are on each host and their current status.

CPU Usage

The percentage of the CPU being used.

Memory Usage

How much memory is being used.

Disk Usage

How much space is being used on a disk.

Actions

You can perform the following actions on each host:

  • Restart: Restart the host.
  • Status Details: See the full metrics view of the host.
  • Assign Role: Assign a role to a new host.