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Status Delivered
Workspace Spectrum Symphony
Components Future Version
Created by Guest
Created on Nov 29, 2016

[SDK and API] Cluster Side Error Handling Configuration for Multi-SSM Application

SocGen is actively testing multi-SSM feature for one important front-office trader application PricingService. They found when one or more physical applications are disabled or unregistered the client workload submission fails. IBM provides a solution to set the environment variable
FAIL_CONN_IF_ANY_SSM_UNAVAILABLE=N
at client machine so the logical session can still be created with at least one running physical SSM. The document has below explanation
Syntax: FAIL_CONN_IF_ANY_SSM_UNAVAILABLE=Y | N
Description: Specifies whether a logical session is created for unrecoverable sessions even when all session managers are not available. When FAIL_CONN_IF_ANY_SSM_UNAVAILABLE is set to N, a logical session is created when at least one session manager is available. When not even one session manager is available, an exception is thrown.
SocGen does not like the per client solution because of two reasons: 1) there are too many client machines and the non-IT user can easily miss the environment variable. It is not a good way to enforce a grid policy. 2) How Symphony manages logical & physical apps should be transparent to user clients. The client should NOT care about the availability of any physical SSM and the configuration. The client should only see one logical application.

  • Guest
    May 27, 2021

    .All related parameters are now supported in application profile. Please feel free to create new RFEs if there are still gaps.

  • Guest
    Dec 10, 2020

    The multi-SSM feature is GAed and all configurations are in application profile.

  • Guest
    Mar 15, 2017

    This RFE's Headline was changed after submission to reflect the headline of an internal request we were already considering, but will now track here.

  • Guest
    Jan 3, 2017

    Have created a CE project to track this for consideration outside of the Symphony roadmap for H2-2017.

  • Guest
    Nov 29, 2016

    Attachment (Description)