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Status Future consideration
Workspace z/TPF Product Family
Categories z/TPFDF
Created by Guest
Created on Dec 2, 2024

RELATED IDEAS

Add New Configurable Timeout Value, Max Number of Cursors Value and Console Alerting to the MongoDB for z/TPF Product

Consider the following updates/changes for PSS with regards to the z/TPF MongoDB API:

  1. Make mongo connection timeout value configurable (hard coded today for 10 mins).
  2. Make maximum number of cursors configurable.
  3. When a condition such as “maximum cursors allowed” are issued to any remote OS mongo client, a similar alert will be sent to the prime console of the TPF system.  This alert mechanism will require some alert throttling to prevent overwhelming the prime console for continued errors from a single session, etc. 

 

Idea priority High
  • Guest
    Reply
    |     Dec 5, 2024
    Note:
    The maximum number of cursors is configurable today. You can use the --max_cursors option in the XPARMS parameter on the ZINET server definition to set the maximum number of cursors per cursor ordinal/subfile. By default, the maximum number is 30 cursors per MONGOCR ordinal. After altering the maximum number of cursors, you will need to stop and restart the MongoDB server for z/TPF by issuing ZINET STOP SERVER-MONGO and ZINET START SERVER-MONGO on all processors in the loosely coupled complex. You do not need to bring down all MongoDB servers at once for this change to take effect - you can refresh one server at a time so that you can continue to service MongoDB requests across the complex. Please refer to this IBM Documentation page for more information. https://www.ibm.com/docs/en/ztpf/latest?topic=mongodb-setting-up-ztpf-support

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