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#1 2013-08-02 18:26:56

graysky
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From: /run/user/1000
Registered: 2008-12-01
Posts: 8,339
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BTRFS uses COW... what is the resolution of COW? [SOLVED]

Perhaps my google-fu is poor since I found nothing relevant while searching.  What is the true resolution of BTRFS's COW?  In other words, does a log file being written to to a BTRFS filesystem have growing copies of itself on the character level or the blocksize level?

Character level = a copy of the file is saved after each character is written to it.
Blocksize level = a copy of the file is saved after it grows to the size of the BTRFS block size (which I believe is called a leafsize in BTRFS terms).

I hope my question makes sense.

Last edited by graysky (2013-08-02 21:26:42)


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#2 2013-08-02 19:05:52

WorMzy
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From: England
Registered: 2010-06-16
Posts: 4,859

Re: BTRFS uses COW... what is the resolution of COW? [SOLVED]


Sakura:-
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#3 2013-08-02 21:26:31

graysky
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From: /run/user/1000
Registered: 2008-12-01
Posts: 8,339
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Re: BTRFS uses COW... what is the resolution of COW? [SOLVED]

Nice thank you for the links.  Solved.


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