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PM78394: POOR PERFORMANCE OR FAILURE UNLOADING PARTITIONED TABLESPACE WITH ORDER CLAUSE INTO SINGLE OUTPUT DATASET

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APAR status

  • Closed as program error.

Error description

  • When a logical unload with an ORDER clause against a partitioned
table space be unloaded into a single outpout data set,  the
invoked DB2 SORT task can fail or not run with good performance.

PB11778

Local fix

  • If a single output file is not mandatory, consider requesting
separate output file per partition.

Problem summary

  • ****************************************************************
* USERS AFFECTED: Users of DB2 High Performance Unload.        *
****************************************************************
* PROBLEM DESCRIPTION: When a logical unload with an ORDER     *
*                      clause against a partitioned table      *
*                      space be unloaded into a single         *
*                      outpout data set,  the invoked DB2      *
*                      SORT task can fail or not run with      *
*                      good performance.                       *
*                      pb11778                                 *
****************************************************************
* RECOMMENDATION: APPLY the PTF.                               *
****************************************************************
The inzrunh  module was fixed.

Problem conclusion

  • APPLY the PTF.

Temporary fix

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    PM78394
    • 

  • Reported component name
    DB2 HI PERF UNL
    • 

  • Reported component ID
    5697F4400
    • 

  • Reported release
    410
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt
    • 

  • Submitted date
    2012-12-04
    • 

  • Closed date
    2013-03-27
    • 

  • Last modified date
    2013-04-02
    • 





    

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

    • 

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

    • 



Modules/Macros


    

  •    INZCRXSM

    



Fix information


    

  • Fixed component name
    DB2 HI PERF UNL
    • 

  • Fixed component ID
    5697F4400
    • 



Applicable component levels


    

  • R410  PSY  UK92934
       UP13/03/30  P  F303
    • 

  • R420  PSY  UK92935
       UP13/03/30  P  F303
    • 



Fix is available


    

  • Select the PTF appropriate for your component level.
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Document Information


            

            


                        

            Modified date:
            

            12 February 2021
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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