而且，对于那些受益于文件系统预读功能或者较高缓冲区缓存命中率的应用程序，可能会出现性能的降低。
Further, applications that might benefit from having a file system read ahead or high buffer cache hit rates might actually see performance degradation.
另外相似例程预读等可在同一个文件找到。
Other similar routines (for read ahead for example) can be located in the same file.
另外相似例程预读等可在同一个文件找到。
Other similar routines (for read ahead for example) can be located in the same file.
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