Second buffer server 二级缓存服务器
This prevents the server from doing added CPU and disk work if the buffer overflows.
这可防止在缓冲区溢出时服务器进行额外的 CPU 和磁盘工作。
Obviously, with availability of physical memory on the database server, a high buffer pool hit ratio is always better for your database performance.
显然，随着数据库服务器上物理内存的使用，高缓冲池命中率对于您的数据库性能而言始终比较好。
Return of data to the federated server sufficient to fill a single ATQ buffer.
将足以填充一个AT Q缓冲区的数据返回到联邦服务器。
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