Overall average disk-readbandwidth is 344MB/second over the entire Throughput test.
在整个吞吐量测试中，磁盘读取的平均总带宽为每秒 344MB。
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We focus on disk reads rather than disk writes, because the majority of disk accesses are for read operations, and the majority of disk bandwidth is used for read operations.
So, the user can read several article synopsis items on one page, and the server bandwidth is spared from building huge pages even if the user doesn't read it all.