2G:

SQL> select * from v$sgainfo;

NAME BYTES RES

-------------------------------- ---------- ---

Fixed SGA Size 2236248 No

Redo Buffers 97218560 No

Buffer Cache Size 2.0133E+10 Yes

Shared Pool Size 4026531840 Yes

Large Pool Size 134217728 Yes

Java Pool Size 134217728 Yes

Streams Pool Size 0 Yes

Shared IO Pool Size 0 Yes

Granule Size 134217728 No

Maximum SGA Size 3.7680E+10 No

Startup overhead in Shared Pool 398159168 No

NAME BYTES RES

-------------------------------- ---------- ---

Free SGA Memory Available 1.3153E+10

12 rows selected.

SQL> show sga;

Total System Global Area 3.7680E+10 bytes

Fixed Size 2236248 bytes

Variable Size 1.7448E+10 bytes

Database Buffers 2.0133E+10 bytes

Redo Buffers 97218560 bytes

SQL> show parameter sga;

NAME TYPE VALUE

------------------------------------ ----------- ------------------------------

lock_sga boolean FALSE

pre_page_sga boolean FALSE

sga_max_size big integer 36096M

sga_target big integer 0

LTE:

SQL> select * from v$sgainfo;

NAME BYTES RES

-------------------------------- ---------- ---

Fixed SGA Size 2244432 No

Redo Buffers 53469184 No

Buffer Cache Size 1.6979E+10 Yes

Shared Pool Size 3892314112 Yes

Large Pool Size 67108864 Yes

Java Pool Size 67108864 Yes

Streams Pool Size 0 Yes

Shared IO Pool Size 0 Yes

Granule Size 67108864 No

Maximum SGA Size 3.2469E+10 No

Startup overhead in Shared Pool 496772504 No

NAME BYTES RES

-------------------------------- ---------- ---

Free SGA Memory Available 1.1409E+10

12 rows selected.

SQL> show sga;

Total System Global Area 3.2469E+10 bytes

Fixed Size 2244432 bytes

Variable Size 1.5435E+10 bytes

Database Buffers 1.6979E+10 bytes

Redo Buffers 53469184 bytes

SQL> show parameter sga;

NAME TYPE VALUE

------------------------------------ ----------- ------------------------------

lock_sga boolean FALSE

pre_page_sga boolean FALSE

sga_max_size big integer 31104M

sga_target big integer 0

3G:

SQL> select * from v$sgainfo;

NAME BYTES RES

-------------------------------- ---------- ---

Fixed SGA Size 2244192 No

Redo Buffers 227831808 No

Buffer Cache Size 9.3952E+10 Yes

Shared Pool Size 3.3554E+10 Yes

Large Pool Size 268435456 Yes

Java Pool Size 268435456 Yes

Streams Pool Size 0 Yes

Shared IO Pool Size 0 Yes

Granule Size 268435456 No

Maximum SGA Size 1.2827E+11 No

Startup overhead in Shared Pool 1104003760 No

NAME BYTES RES

-------------------------------- ---------- ---

Free SGA Memory Available 0

12 rows selected.

SQL> show sga;

Total System Global Area 1.2827E+11 bytes

Fixed Size 2244192 bytes

Variable Size 3.4091E+10 bytes

Database Buffers 9.3952E+10 bytes

Redo Buffers 227831808 bytes

SQL> show parameter sga;

NAME TYPE VALUE

------------------------------------ ----------- ------------------------------

lock_sga boolean FALSE

pre_page_sga boolean FALSE

sga_max_size big integer 120G

sga_target big integer 120G