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Oracle DB_nK_SIZE_CACHE参数

原创 Linux操作系统 作者:keeptrying 时间:2012-06-04 19:50:31 0 删除 编辑

The Oracle database supports multiple block sizes in the same database.The standard block size is used for the SYSTEM tablespace.You specify the standard block size by setting the initialization parameter DB_BLOCK_SIZE.Legitimate values are from 2K to 32K,and the default is 8K.The cache sizes of nonstandard block size buffers are specified by the following parameters:

l   DB_2K_CACHE_SIZE

l   DB_4K_CACHE_SIZE

l   DB_8K_CACHE_SIZE

l   DB_16K_CACHE_SIZE

l   DB_32K_CACHE_SIZE

The DB_nK_CACHE_SIZE parameters cannot be used to size the cache for the standard block size.If the value of DB_BLOCK_SIZE is nK,it is illegal to set DB_nK_CACHE_SIZE.

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