ztta/roll_first: Initial Allocation Size from the Roll Area
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This is the amount of roll memory allocated to a dialog work process before R/3 Extended Memory is allocated.
See Allocating Memory for User Contexts
Activities
Unit: Bytes
Default value: 1000000 (1 MB)
Recommended value: 1 (1 byte)
Under IBM AS/400: 167731120 (16 MB, value from ztta/roll_area).
One (1) byte means that only one small amount of memory specifically for that system is allocated and then goes in to the Extended Memory. If there is not a lot of Extended Memory available, a higher value (1 MB or higher) is useful (see Recognizing and Correcting Problems).
Changes: Under IBM AS/400, only SAP is allowed to change this parameter. Under UNIX and Microsoft Windows, you can only change this parameter value in accordance with the configuration examples (Contents button) or for Windows NT in accordance with the information in Maximum Use of Extended Memory.
Keyword: BASIS
Title : ztta/roll_first: Initial Allocation Size from the Roll Area
