This command is used to:

list, add, or delete EC groups
view pico instances
mark for shutdown

usage: pico <command> [<args>]
    Add a Group
    Usage: -add GroupName
    Delete a Group
    Usage: -delete GroupName

    List Groups
    Usage: -list Regexp
    View Running Groups & Processes
    Usage: -view Pico Name
    Mark ec for shutdown
    Usage: -mark_for_shutdown <Pico Name> <IP/Host> <true/false>

-list

usage: pico -list

Use pico -list to list available EC groups.

Example - pico -list

The following commands list all EC groups.

mzsh <username>/<password> pico -list

Output:

ecgroup2  ec 
ecgroup1  ec

-view

usage: pico -view <pico name>

Use pico -view to view the status of pico instances in the system.

Example - pico -view

The following displays the status for all pico instances in the system.

mzsh <username>/<password> pico -view

Output:

Pico                 Start       Memory                 Response      Error    Marked For
Name                 Time        (Used, Commited, Max)  Time (ms)     Status   Shutdown
ec1 (ip:port)        <time>      1.1, 24.2, 27.6        1             OK                    
ec2 (ip:port)        <time>      1.2, 23.3, 28.7        1             OK            
MZSH:45881 (ip:port) <time>      5.9, 15.5, 47.5        2             OK                    
Platform (ip:port)   <time>      8.2, 20.0, 27.6        2             OK

The Memory column is a comma-separated list of Used, Committed, and Maximum memory, and Response Time is measured in milliseconds.

If Error Status indicates "Error", an OutOfMemoryError has occurred and additional information will be included in the output. For example, in case of an OutOfMemoryError on the Platform, the following could be shown:

Platform: Mon Jan 23 09:59:47 CET 2012 OutOfMemoryError on platform at platform-e6410. 
See log/platform.log for more information

OutOfMemoryError is further described in https://infozone.atlassian.net/wiki/x/krSqBg.

If Error Status indicates "Connection failure", an RCP error has occurred.

The following command displays the status of the pico instance named ec1.

mzsh <username>/<password> pico -view ec1

Output:

Pico Name:        ec1 (10.0.0.8:37197)
OS:               LINUX
OS Version:       2.6.38-11-generic-pae
Architecture:     I386
Processors:       8
Java Version:     1.8.0_121
Loaded Classes:   2854

-add

usage: pico -add <ec group name>

Use pico -add to add an EC group to the system.

Example - pico -add

The following command adds an EC group named ecgroup1.

mzsh <username>/<password> pico -add ecgroup1

Output:

Group ecgroup1 added

-delete

usage: pico -delete <ec group name>

Use pico -delete to delete an EC group from the system.

Example - pico -delete

The following command deletes an EC group named ecgroup1.

mzsh <username>/<password> pico -delete ecgroup1

Output:

Group ecgroup1 deleted

-mark_for_shutdown

usage: pico -mark_for_shutdown <ec1 localhost true>

Use pico -mark_for_shutdown to signal to the Platform that an EC is scheduled to be shut down. As a result, the Platform will not assign workflows to the EC.

Example - pico -mark_for_shutdown

The following command signals that the EC named EC1 should not be assigned workflows

mzsh <username>/<password> pico -mark_for_shutdown ec1 localhost true

Output:

OK

Return Codes

Listed below are the different return codes for the pico command:

Code	Description

Code	Description
0	Will be returned if the command was successful.
1	Will be returned if arguments cannot be parsed or if arguments are missing or incorrect.
2	Will be returned if the communication with the Platform fails.
3	Will be returned if checking of user privileges failed, or if pico already exists when trying to add a new pico.
4	Will be returned if the user does not have permission to add or delete picos.
5	Will be returned if an unexpected error occurs.