日期:2014-05-16 浏览次数:20472 次
SGA -- 数据库块缓冲高速缓存 (db_cache_size) -- 共享池 (shared_pool_size) -- Java 池 (java_pool_size) -- 大型池 (large_pool_size)
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自动共享内存管理示例配置 SGA_TARGET(控制SGA的总大小) 设置为非零值 SGA shared_pool_size = 0 large_pool_size = 0 java_pool_size = 0 db_cache_size = 0
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SQL> select pool, sum(bytes)/1024/1024 Mbytes from v$sgastat group by pool; POOL MBYTES ------------ ---------- 303.996315 java pool 4 shared pool 102.490440 large pool 12 DB_CACHE_SIZE SQL> select current_size from v$buffer_pool; CURRENT_SIZE ------------ 296
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关闭自动大小调整 SGA_TARGET = 0
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