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Very slow writing with mmap 
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Joined: Sun Feb 07, 2016 21:34
Posts: 1
Post Very slow writing with mmap
I'm using some python mp3 tagging programs that call the mmap function to write tags (mutagen and stagger). When writing to an ntfs-3g mount, it is extremely slow, to the tune of 1 minute per file for small mp3 files and upwards of 10 minutes for larger ones. I've bypassed the mmap calls on my own system to make them use the fallback method because otherwise it's unbearably slow, but any other input would be welcome. Might I have something set incorrectly? Is this a known issue?


Sun Feb 07, 2016 21:41
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NTFS-3G Lead Developer

Joined: Tue Sep 04, 2007 17:22
Posts: 1286
Post Re: Very slow writing with mmap
Hi,

Quote:
Might I have something set incorrectly?

No idea.
Quote:
Is this a known issue?

No. A test not making use of the python bindings would be handy.

Regards

Jean-Pierre


Mon Feb 08, 2016 09:10
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Joined: Sat Feb 20, 2016 13:46
Posts: 3
Post Re: Very slow writing with mmap
never faced such issue


Tue Mar 15, 2016 08:45
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