PM93818: DB2 ADMINISTRATION TOOL FOR Z/OS WHEN RUNNING IMPORT CHANGE WITH LARGE AMOUNT OF OBJECTS USES A LOT OF RESOURCES

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• DB2 Administration Tool for z/OS when running Import Change
  with large amount of objects uses a lot of resources
  and results in poor performance
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: Users of the DB2 Administration Tool for     *
  *                 z/OS who run Import Change with a large      *
  *                 amount of objects and resources, and         *
  *                 results in poor performance.                 *
  ****************************************************************
  * PROBLEM DESCRIPTION: When using DB2 Administration Tool      *
  *                      for z/OS to import a change that has    *
  *                      a large amount of objects, the import   *
  *                      job need to wait an extended amount     *
  *                      of time due to the cursor C_LAST in     *
  *                      program ADBCRCR. The cursor is          *
  *                      declared like below:                    *
  *                                                              *
  *                      DECLARE C_LAST CURSOR                   *
  *                       FOR SELECT CH . CHANGEID , MAX         *
  *                      ( CSR . CHANGESEQ                       *
  *                         )                                    *
  *                         FROM ADBCHG CH , ADBCHGSR            *
  *                         CSR                                  *
  *                         WHERE CH . CHANGEID = CSR .          *
  *                      CHANGEID AND CH . STATUS NOT IN (       *
  *                         'CANCELED'                           *
  *                         , 'COMPLETE' ) AND CSR .             *
  *                      OBJECTTYPE = : H                        *
  *                      AND CSR . QUALIFIER = : H               *
  *                         AND                                  *
  *                         CSR . NAME = : H                     *
  *                      AND CSR . BASEIND IN ( 1 , 2 )          *
  *                      AND CH . CHANGEID NOT                   *
  *                         IN                                   *
  *                         ( SELECT P .                         *
  *                         PREREQID                             *
  *                         FROM ADBCPREREQ                      *
  *                         P                                    *
  *                         WHERE P . CHANGEID NOT IN            *
  *                      ( SELECT C .                            *
  *                         CHANGEID                             *
  *                         FROM ADBCHG C , ADBCHGS              *
  *                         CS                                   *
  *                         WHERE C . CHANGEID                   *
  *                      = CS . CHANGEID AND C . STATUS          *
  *                      NOT IN ( 'COMPLETE'                     *
  *                         ,                                    *
  *                         'CANCELED' )                         *
  *                      AND CS . OBJECTTYPE  = : H ) )          *
  *                      GROUP BY CH .                           *
  *                         CHANGEID                             *
  *                                                              *
  *                      Additionally, the program will          *
  *                      terminate with an ONCODE=520            *
  *                      / ONCODE 520                            *
  *                       ADB0351E  Module : ADB2CID             *
  *                      detected an ONCODE condition            *
  *                      520 At  SIZE_CHANGE                     *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  Poor performance is observed when using the Import Change
  function with a large amount of objects.
  

Problem conclusion

• Problem has been resolved.
  

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:

  UI12475 UI12476

Modules/Macros

•    ADBCDTW  ADBCDTWA ADBCMPC  ADBCPRE  ADBCRCM
  ADBCRCR  ADBCVCP  ADB2CID
  

Fix information

• Fixed component name

  DB2 ADMIN TOOL

• Fixed component ID

  568851500

Applicable component levels

• RA10 PSY UI12475

     UP13/11/15 P F311

• RA20 PSY UI12476

     UP13/11/15 P F311

Fix is available

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