show sga
Total System Global Area 726540288 bytes
Fixed Size 2230040 bytes
Variable Size 545261800 bytes
Database Buffers 176160768 bytes
Redo Buffers 2887680 bytes
select * from v$sgastat where rownum <=10;
POOL NAME BYTES
------------ -------------------------- ----------
fixed_sga 2230040
buffer_cache 176160768
log_buffer 2887680
shared pool KFG SO child 8184
shared pool v_inc_meter_info_problem 664
shared pool dpslut_kfdsg 512
shared pool hot latch diagnostics 160
shared pool vips_package_file 1320
shared pool kgqbt_alloc_block 2048
shared pool kkj jobq wor 4128
select pool,sum(bytes)/1024/1024 M from v$sgastat where pool is not null group by pool;
POOL M
------------ ----------
java pool 4
streams pool 4
shared pool 268
large pool 4
select sum(bytes)/1024/1024 M from v$sgastat;
M
----------
452.880638
show parameter shared_pool_size
NAME_COL_PLUS_SHOW_PARAM TYPE VALUE_COL_PLUS_SHOW_PARAM
------------------------------ ----------- ------------------------------
shared_pool_size big integer 0
alter system set shared_pool_size=268M;
System altered.
show parameter shared_pool_size
NAME_COL_PLUS_SHOW_PARAM TYPE VALUE_COL_PLUS_SHOW_PARAM
------------------------------ ----------- ------------------------------
shared_pool_size big integer 268M
select * from v$sga_dynamic_components;
select COMPONENT,CURRENT_SIZE,MIN_SIZE,USER_SPECIFIED_SIZE from v$sga_dynamic_components;
COMPONENT CURRENT_SIZE MIN_SIZE USER_SPECIFIED_SIZE
---------------------------------------------------------------- ------------ ---------- -------------------
shared pool 281018368 264241152 281018368
large pool 4194304 4194304 0
java pool 4194304 4194304 0
streams pool 4194304 4194304 0
DEFAULT buffer cache 176160768 176160768 0
KEEP buffer cache 0 0 0
RECYCLE buffer cache 0 0 0
DEFAULT 2K buffer cache 0 0 0
DEFAULT 4K buffer cache 0 0 0
DEFAULT 8K buffer cache 0 0 0
DEFAULT 16K buffer cache 0 0 0
DEFAULT 32K buffer cache 0 0 0
Shared IO Pool 0 0 0
ASM Buffer Cache 0 0 0