IBM Support

IT40327: QUERY RUNS SLOWER ON 14.10 AS COMPARED TO 11.50 WITH SAME DISTRIBUTION.

Subscribe to this APAR

By subscribing, you receive periodic emails alerting you to the status of the APAR, along with a link to the fix after it becomes available. You can track this item individually or track all items by product.

Notify me when this APAR changes.

Notify me when an APAR for this component changes.

 

APAR status

  • Closed as program error.

Error description

  • Query runs slower on 14.10 as compared to 11.50 with same
distribution.

Local fix

  • 



Problem summary


    

  • ****************************************************************
* USERS AFFECTED:                                              *
* Users of Informix Server prior to 14.10.xC9.                 *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to Informix Server 14.10.xC9.                        *
****************************************************************
set 0x20000000 bit in SQL_FEAT_CTRL2 to revert the behavior to
pre-11.70

    



Problem conclusion


    

  • Fixed in Informix Server 14.10.xC9.

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IT40327
    • 

  • Reported component name
    INFORMIX SERVER
    • 

  • Reported component ID
    5725A3900
    • 

  • Reported release
    E10
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2022-03-17
    • 

  • Closed date
    2022-09-29
    • 

  • Last modified date
    2022-09-29
    • 





    

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

    • 

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

    • 



Fix information


    

  • Fixed component name
    INFORMIX SERVER
    • 

  • Fixed component ID
    5725A3900
    • 



Applicable component levels


    








      
              
                            

              

              [{"Business Unit":{"code":"BU053","label":"Cloud \u0026 Data Platform"},"Product":{"code":"SSGU8G","label":"Informix Servers"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"E10"}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            30 September 2022
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
Page Feedback