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Status Delivered
Workspace Spectrum Symphony
Components Version 7.3.2
Created by Guest
Created on Nov 8, 2023

Enable CLI that allows to modify resource groups' preference level for a consumer

IBM Spectrum Symphony product GUI allows users to choose more than one resource groups for a consumer and set their preference level to seek compute capacity when there is demand. However, there is no CLI (command Line interface) that allows users to dynamically set it for a consumer once the cluster is up. There are alternatives to acheieve the same but it requires all the applications to be disabled and ego restart. As a part of this RFE, we would like you to address the below enhancements:
1) CLI to allow users to add multiple resource groups and set their preference level when a consumer is created
2) CLI to allow users to dynamically set the resource groups' preference level when a consumer is modified

Needed By Month
  • Guest
    Oct 2, 2025

    Hi Dennis,

    Let's have this feature in FP3. Andrew has tested the pre-release successfully across all the clusters and we are in a better position to apply FP3 from the version released yesterday.

    Thanks, Shruti

  • Admin
    Dennis Xiao
    Sep 30, 2025

    Shruti,

    Symphony 7.3.2 FP3 has released today as plan, do you need to have the feature with FP3 or like to have it in FP2 first, and then FP3?

    Thanks, Dennis

  • Guest
    Sep 24, 2025

    Hi Dennis,

    Thanks for the clarification - it makes sense.

    Best, Shruti

  • Admin
    Dennis Xiao
    Sep 23, 2025

    HI, Shruti,

    We have changed our design as below:

    when the EGO_MAX_PREFERENCE_LEVEL not set specifically in ego.conf, using the default 4

    egosh consumer modify /SymTesting/Symping732 -g ManagementHosts,ComputeHosts1:0,ComputeHosts2,ComputeHost3:4

    The follow call will fail when exceeding the EGO_MAX_PREFERENCE_LEVEL for any group.

    egosh consumer modify /SymTesting/Symping732 -g ManagementHosts,ComputeHosts1:0,ComputeHosts2,ComputeHost3:10

    Yes, it still works with all other options for "egosh consumer modify", e.g., egosh consumer modify /SymTesting/Symping732 -g computeHost:4,resourceGroup2 -R rebalance

    We would propose only support "egosh consumer modify", not support it with "egosh consumer add".

    The default preference level is "0" once it's enabled( EGO_ENABLE_RG_PREFERENCE=Y set in ego.conf), existing behavior.

    Let's know if you have further questions & concerns.

    Thanks, Dennis

  • Guest
    Sep 23, 2025

    Hi Dennis,

    A couple of questions:

    1. Can you explain "group by group, not as a list", please?

    2. Will we be able to use -p preference_level option with all the other options? or will it need to be executed only with -g <> -p<> option?

    Thanks, Shruti

  • Admin
    Dennis Xiao
    Sep 22, 2025

    Andrew,

    We are considering to support to change the preference level using the modify command (group by group, not as a list):

    egosh consumer modify consumer_path -g resource_group -p preference_level

    I think it should satisfy the requirement, any concern or problem with this approach?

    Regards, Dennis