Answer Posted / inderjeet

Increasing the Size of SAP Buffers

Program
Size: abap/buffersize [KB]
240,000 – 400,000 KB

GenericKey
zcsa/table_buffer_area [Bytes] upto 50MB
Entries: zcsa/db_max_buftab -- upto 10,000 entries

SingleRecord
Size: rtbb/buffer_length [KB] - upto 30,000 KB

Screen
zcsa/presentation_buffer_area [Bytes] - upto 150 - 200 MB

CUA
rsdb/cua/buffersize [KB] - 3,000 -6,000 KB

Table Definition
Size is determined by the number of entries
Entries: rsdb/ntab/entrycount upto 30,000 entries

Field Description
Size: rsdb/ntab/ftabsize [KB] upto 20,000 -30,000 KB
Entries: 2 * rsdb/ntab/entrycount + 1

Initial Records
Size: rsdb/ntab/irbdsize [KB] upto 4,000 KB
Entries: 2 * rsdb/ntab/entrycount + 1

ShortNameTAB
Size: rsdb/ntab/sntabsize [KB] - upto 2,500 KB
Entries: 2 * rsdb/ntab/entrycount + 1

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