缓冲管理器的惰性写入器写入的缓冲区数目。
数据和索引页被从DASD中读出之后，便进入这些插槽，并留在其中，直到DB 2缓冲区管理器确定那些插槽要用于其他数据。
After being read in from DASD, the data and index pages go into these slots and remain there until the DB2 buffer manager determines that those slots should be used for some other data.
缓冲区的大小是由AUDIT _ BUF_SZ这个数据库管理器配置参数决定的。
The size of the buffer is determined by the AUDIT_BUF_SZ database manager configuration parameter.
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