UNIT 3 PART 2

Question 1

What data is stored in extended memory?

Answer 1

User context data and objects associated with individual users and their open transactions

Question 2

What is ZAMM? What parameter does it use?

Answer 2

Zero Administration Memory Management

parameter PHYS_MEMSIZE.

Question 3

What order is memory allocated for DIALOG work processes?

Answer 3

In the order of Extended memory then heap memory

Question 4

What are main reasons using Extended Memory?

Answer 4

1) Fast context switches are needed in SAP systems, because many users share few work processes
2) Extended memory is accessed through pointers, therefore fast context switches are possible
3) SAP dialog transactions consist usually of more than one step/screen