buffer index

例句：

1. 1. The server's buffer index is full, so we can't process the request right now.
   服务器的缓冲区索引已满，所以我们现在不能处理这个请求。
2. 2. To improve the performance of our website, we need to optimize the buffer index.
   为了提高我们网站的性能，我们需要优化缓冲区索引。
3. 3. The buffer index is a critical component of a database system that helps to manage data access and concurrency.
   缓冲区索引是数据库系统中的一个关键组件，它有助于管理数据访问和并发性。