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Transfer speeds to USB

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Ulfhednar:
Thanks Mathias.
Enabling use system cache in write/target for external devices has done the trick, speed is maintained & dialog closes appropriately.  :)

Ulfhednar:
Looks like I spoke too soon...
Files ~300mb to USB 3.0 stick, <20GB free space.
Tried MC first, cancelled after about 10mins, repeated with different file of similar size & took screen shot.
Then using MC panes ctrl+x / v - expected speed achieved, to be sure I ran a CRC check - OK.
Very different results.

Mathias (Author):
Are you sure it used the Read/write tweaks you changed ? You can in log see what settings is used.
When writing data there is not much to play with.. it is bypass cache or not and write chunck size (how many bytes to write in each write operation) and if writes should be threaded or not.
There are so many external factor that affect the speed.

Also you cant just compare the number from Windows.. since that number say nothing. That is not a real speed.

But getting really slow speed in MC then I suspect something is preventing MC from going full speed and checking the data before it sends it to the device.

Ulfhednar:
thanks for the reply Mathias.
Yes it is real difference - minutes vs seconds.
MC has full admin permissions & is 100% whitelisted for all ops in the AV.

I agree it appears to be something blocking MC but I am struggling to determine what as it isn't obviuos, I double checked the R/W strategy was as recommended...
I guess I need to run some sort of trace or something.

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