Dick Davies <[email protected]> napisał:
>On 23 June 2014 19:44, Ben Hoyt <[email protected]> wrote:
>
>> I haven't dived very deep on how atomic_move is implemented, but why
>would
>> doing this change the memory requirements?
>
>Because you'd have to read in the source file to be able to 'cat' it
>into the truncated
>destination file, rather than just moving it into place
>(which requires the directory to be updated, therefore writable).
Typically you'd read a block or a few, write that, get the next one... Repeat 
until end of source file. 

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