[windows] NTFS performance and large volumes of files and directories

When you create a folder with N entries, you create a list of N items at file-system level. This list is a system-wide shared data structure. If you then start modifying this list continuously by adding/removing entries, I expect at least some lock contention over shared data. This contention - theoretically - can negatively affect performance.

For read-only scenarios I can't imagine any reason for performance degradation of directories with large number of entries.

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