启动数据库的内存分配
Total System Global Area 389189632 bytes
Fixed Size 1345156 bytes
Variable Size 243272060 bytes 4194304+4194304+159383552+75497472=243269632 java_pool large_pool pga_aggregate_target shared_pool_size
还差 243272060 -243269632 = 2428
Database Buffers 138412032 bytes orcl.__db_cache_size=138412032
Redo Buffers 6160384 bytes
以下是spfile参数：
orcl.__java_pool_size=4194304
orcl.__large_pool_size=4194304
orcl.__pga_aggregate_target=159383552
orcl.__sga_target=230686720
orcl.__shared_io_pool_size=0
orcl.__shared_pool_size=75497472
orcl.__streams_pool_size=0