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show system applications

Syntax

Description

This command displays applications summary information in one of the following forms:

  • Shows all applications summary information for all nodes.

  • Shows the applications summary information for a specific application.

  • Shows the applications summary information for a specific node.

Options

app app-name

(Optional) Specify application name for which you want to display applications summary information.

brief

(Optional) Display brief output. This is the default format of display.

detail

(Optional) Display detailed output.

node node-name

(Optional) Specify node name for which you want to display applications summary information.

Required Privilege Level

view

Output Fields

For a description of the output fields, see Table 1. Output fields are listed in the approximate order in which they appear.

Table 1: show system applications Output Fields

Field Name

Description

Level

Applications Information

Application

Name of the application.

Node

Name of the node the application is running on.

App State

State of the application: online, offline, failed, or active.

App Weight

A relative weight for multiple instances of the app across multiple nodes. The app instance with the higher wright is providing more functionality.

App Zookeeper Session

Zeekeeper session ID.

all levels

Object Producer details

Producer ID

Identifies which production set the object is part of.

Epoch ID

A number that identifies the current process that owns a production set. There can only be one owning process (active producer) that owns a production set at one time. The current owning process has an Epoch ID that is larger than any previous producer.

Production Topic

Hierarchical string that represents the production set.

Producer State

active or standby:

  • active indicates the application has production rights to modify the state in the production set.

  • standy means that the application is waiting to get the production right for the production set.

all levels

Description

A short description of the application, it also lists the systemd service file used for the application.

detail

Loaded

A systemd state that indicates if the application is loaded in the system or not.

detail

Run State from OS

A systemd state that indicates if the application is active or not.

detail

Main PID

Process identifier (PID) of the application.

detail

Command

Command line to launch the application.

detail

ID

Name of the application.

detail

Meta

Meta data for the application includes the following fields:

Bin path

Path to application execution.

Log file

Where logs go.

Working Dir

Working directory.

Production Set

Global or local production set. Values might be shared or local.

detail

Resource

Resource data for the application includes the following fields:

all nodes

Is the application run on all nodes, true or false.

Max instances

How many instances of the application are there.

Max instances per node

How many instances of the application per node are there.

Run on startup

Is the appliction launched at bootup, true or false.

Node attributes

Typical node attributes are RE, FPC, MasterRE. You can see the node attributes by using the show system node-attributes command.

Node attribute match

What is the node attribute required to launch this application on a node? For example, if this field has the output re, Service file: lfmd, it indicates that the process lfmd will be launched on a node that has the attribute RE.

detail

Failure

Failure data for the application includes the following fields:

Alarm color

Which alarm to be raised on failure, or none.

Alarm ID

The alarm ID.

Restart

Whether to restart the application, true or false.

detail

Upgrade

Upgrade parallely

Options are true or false.

Upgrade restart node

Options are true or false.

Upgrade style

Option is stop-start.

detail

App-Exit

App-Exit data for the application includes the following fields:

Restart Supported

True/false. When the apllication exits, should the application be restarted.

Restart Node

True/false. When the apllication exits, should the node be rebooted.

Mark node spare

When an application exits, should the node be marked spare.

detail

Sample Output

show system applications

show system applications app application-name node node-name

show system applications node node-name detail

Release Information

Command introduced in Junos OS Evolved Release 18.3R1.