Dokany
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It's not really the same though. A Projected File System copies the files from the backing store to somewhere on the local file system when requested and then performs IO normally on the local files. For an actual implementation of userspace filesystems on Windows see dokany: https://github.com/dokan-dev/dokany. - Source: Hacker News / 2 months ago
I lead a project that included shipping a filesystem driver and a virtual disk on Windows. What I did to learn the lower-level APIs, and perform initial testing on the driver, was write a "mirror" drive. The user-mode code pointed to a folder on disk, the driver made a virtual disk drive, and all reads and writes in the virtual disk drive went to the mirror folder. On Windows, you can implement something like that... - Source: Hacker News / 11 months ago
You'll need this ressource installed in 1.X version to make it work : https://github.com/dokan-dev/dokany. Source: about 1 year ago
Assuming two systems use flash storage, network bandwidth is identical and it is configured the same way, there should be an issue within the PC, either system or storage drive. Check the system logs for errors and warning events related to data transfer from/to NAS. Try to benchmark the PCs' disks using fio to confirm they have similar performance. https://github.com/axboe/fio. Source: 10 months ago
Not specifically addressing your question, but when you get to the point of wanting to start doing some experiments you may find that 'fio' [1] is very handy. [1] https://github.com/axboe/fio. - Source: Hacker News / 11 months ago
The dd is not a good benchmarking tool, you should use something like fio and probably tune it to use the ioengine most similar to your use case (eg. a database server will probably use some async IO interface). In your first example (with bs=1G) probably something (the guest OS, the qemu/kvm or the host OS) have split into smaller chunks anyway. Source: about 1 year ago
All linux tests are run with fio 3.32 (github) with future commit 03900b0bf8af625bb43b10f0627b3c5947c3ff79 manually applied. Source: about 1 year ago
Agree, I used flex/yacc to add an arithmetic expression evaluator to fio a few years back to allow simple math with some units in fio's job files, and for stuff like that, they're fine, but I wouldn't want to use them for a real language, the error handling is kind of a nightmare. Source: over 1 year ago
Dokan - User mode file system library for windows with FUSE Wrapper
CrystalMark - CrystalMark is a full included benchmark application that can be utilized for surveying the execution and capacities of a PC.
WinFsp - WinFsp, Windows File System Proxy, is a set of software components for Windows computers that...
Iometer - As the Iometer Users Guide says, Iometer is an I/O subsystem measurement and characterization tool...
Callback File System - Callback File System is a programming library that lets you create virtual file systems and disks...
Diskspd - A Robust Storage Testing Tool (superseding SQLIO)