会计报表显示对应于每个缓冲池的GETPAGES和同步读的数量。
The accounting reports show the number of GETPAGES and synchronous reads per buffer pool.
如果在某个专用的日志磁盘上存在大量的读活动,或者具有较高的磁盘利用率,就增加日志缓冲区域的大小。
Increase the size of the log buffer area if there is considerable read activity on a dedicated log disk, or there is high disk utilization.
而且,对于那些受益于文件系统预读功能或者较高缓冲区缓存命中率的应用程序,可能会出现性能的降低。
Further, applications that might benefit from having a file system read ahead or high buffer cache hit rates might actually see performance degradation.
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