large pool free memory 6079520 session heap 64480 *********** ---------- sum 6144000
shared pool Checkpoint queue 73764 KGFF heap 5900 KGK heap 17556 KQLS heap 554560 PL/SQL DIANA 364292 PL/SQL MPCODE 138396 PLS non-lib hp 2096 SYSTEM PARAMETERS 61856 State objects 125464 VIRTUAL CIRCUITS 97752 character set object 58936 db_block_buffers 408000
db_block_hash_buckets 179128 db_files 370988 dictionary cache 319604 distributed_transactions- 180152 dlo fib struct 40980 enqueue_resources 94176 event statistics per sess 201600 file # translation table 65572 fixed allocation callback 320 free memory 9973964 joxlod: in ehe 52556 joxlod: in phe 4144 joxs heap init 356 library cache 1403012 message pool freequeue 231152 miscellaneous 562744 processes 40000 sessions 127920 sql area 2115092 table columns 19812 transaction_branches 368000 transactions 58872 trigger defini 2792 trigger inform 520 *********** ---------- sum 18322028
db_block_buffers 24576000 fixed_sga 70924 log_buffer 66560 *********** ---------- sum 24713484
43 rows selected.
Область SGA разбита на несколько пулов.
Поэтому графически область SGA можно представить следующим образом:
+----------------------------------------------------------------------+ | SGA | | +-----------------+ +----------+ +---------------+ +---------------+ | | | | | Java-пул | | Фиксированная | | Буфер журнала | | | | Разделяемый пул | | | | область SGA | | повторного | | | | | +----------+ +---------------+ | выполнения | | | +-----------------+ +---------------+ | | +-----------------------------------------+ +----------------------+ | | | Буферный кеш | | Большой пул | | | +-----------------------------------------+ +----------------------+ | +----------------------------------------------------------------------+