Does the TPX CF structure for Generic Resources support the ALTER attribute?

Products

• TPX - Session Management
• Vman Session Management for z/OS

Issue/Introduction

Using FAQ262849 to size the TPX CF structure for our new z14.

There is a field in the IBM CFSizer, OEM tab, List Structure labeled ALTER which makes a significant difference in structure size.

Per IBM, ALTER support is a function of the application.

Does the TPX CF structure for Generic Resources support the ALTER attribute?

Environment

TPX 5.4

Resolution

Yes, TPX does support the use of ALTER.

 

From CB0VJCL(CFSTRUCT):

/*    Below is a Sample to allow alter and system-managed rebuild        

      Note:  it appears here as a comment, modify to your specifications 

             and uncomment. */                                           

                                                                         

/*                                                                       

STRUCTURE NAME(XE16CFTPXAPPL) SIZE(20480)                                

                               INITSIZE(4096)                            

                               ALLOWAUTOALT(YES)                         

                               PREFLIST(CFCCENF2,CFCCSM1)                

*/                                                                       

 

We also provide messages to track begin and end:

 

TPXL5135  CF-EVT-EXIT: STRUCTURE ALTER REQUEST BEGIN, STRUCT yyyyyyy

Reason:  An alter structure request has been initiated for the CA TPX structure yyyyyyy.

Action:  None.

 

TPXL5136  CF-EVT-EXIT: STRUCTURE ALTER REQUEST ENDED, STRUCT yyyyyyy

Reason:  An alter structure request for the CA TPX structure yyyyyyy has been completed.

Action:  None.