If you want to benchmark random file reads, you likely need to ensure that different files are read to avoid caching.

如果希望对随机文件读取进行基准测试，很可能需要确保读取不同的文件，以避免缓存。

youdao

If the workload is a read mostly workload, then solutions like caching with optimistic locking work well.

如果工作负荷主要是读取，那么诸如使用最优锁定进行缓存的解决方案可以很有效。

youdao

Caching works best for read-only data.

缓存非常适合于只读数据。

youdao

Also as the amount of flash increases it would be good if Seagate would consider adding write caching as well as the current read caching.

FORBES: New Seagate Solid State Hybrid Drive is Faster and Vaster