摘要: DBWn defers writing to the data files until one of the following events occurs: 1. Incremental or normal checkpoint 2.The number of dirty buffers reaches a threshold value 3. A process scans a specifi... 阅读全文
posted @ 2009-01-19 11:17 李世侠 阅读(1289) 评论(0) 推荐(0)