PH66536: IMPLEMENT NEW FORMAT FOR AUTOMATION EXPERT MACHINE LEARNING MODELS

Obtain the fix for this APAR.

APAR status

• Closed as new function.

Error description

• This PTF introduces a new machine learning (ML) model format
  (stored in USS) which is incompatible with old model format. Any
  existing ML models used by IBM Db2 Automation Expert should be
  deleted and new models created with the updated train.pyc code.
  When attempting to execute the new .pyc programs delivered with
  this PTF against old training data, the following error messages
  can potentially occur:
  1) Job build (where estimates are requested) results in error
  message DAJB773E.
  Recommended Action: Install skops python library, then delete
  your old models and retrain the models.
  2) The skops python library is installed, but traceback errors
  occur when requesting estimates via a job build.
  Recommended Action: Delete your old models, then retrain.
  

Local fix

• N/A
  

Problem summary

• ****************************************************************
  * USERS AFFECTED: All Users                                    *
  ****************************************************************
  * PROBLEM DESCRIPTION: This PTF introduces a new machine       *
  *                      learning (ML) model format (stored in   *
  *                      USS) which is incompatible with old     *
  *                      model format. Any existing ML models    *
  *                      used by IBM Db2 Automation Expert       *
  *                      should be deleted and new models        *
  *                      created with the updated train.pyc      *
  *                      code.                                   *
  *                                                              *
  *                      When attempting to execute the new .pyc *
  *                      programs delivered with this PTF        *
  *                      against old training data, the          *
  *                      following error messages can            *
  *                      potentially occur:                      *
  *                                                              *
  *                      1) Job build (where estimates are       *
  *                      requested) results in error message     *
  *                      DAJB773E.                               *
  *                      Recommended Action: Install skops       *
  *                      python library, then delete your old    *
  *                      models and retrain the models.          *
  *                                                              *
  *                      2) The skops python library is          *
  *                      installed, but traceback errors occur   *
  *                      when requesting estimates via a job     *
  *                      build.                                  *
  *                      Recommended Action: Delete your old     *
  *                      models, then retrain.                   *
  ****************************************************************
  * RECOMMENDATION: APPLY the PTF and follow HOLD ACTIONS        *
  *                 specified therewith.                         *
  ****************************************************************
  .
  

Problem conclusion

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

  UO03310

Modules/Macros

• DAJUEPYC DAJUTPYC
  

Fix information

• Fixed component name

  AUTOMATION EXPE

• Fixed component ID

  5698DAE00

Applicable component levels

• R110 PSY UO03310

     UP25/05/22 I 1000 ¢

Fix is available

• Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.