kramer

摘要： cache buffers chains 看名字像是一个链表结构，但实际上它是一个latch。 要理解它，首先要理解下面的概念。hash buckethash chain listhash bucket和hash chain list是用来在data buffer里快速定位数据块的。oracle在访... 阅读全文

摘要： Automoun is another kind of NFS. The different is that in NFS mode the client need to connect to NFS server all the time. This will consume server resources making the server slow. But in automount mode, client dont have to connect to server all the time. When you access the nfs resource, the automo 阅读全文