File status calls (meaning calls made to the underlying file system to check for the existence of a file) can be quite costly in terms of performance.

从性能来看，文件状态调用(即为检查一个文件是否存在而对底层文件系统进行的调用)相当昂贵。

youdao

File status calls (meaning calls made to the underlying file system to check for the existence of a file) can be quite costly in terms of performance.

从性能来看，文件状态调用(即为检查一个文件是否存在而对底层文件系统进行的调用)相当昂贵。

youdao