Re: question about the recursive algorithm

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I don't believe the transferring part of rsync will jump around.  It
will transfer files it deems need it in the order it finds them which
will be 1 dir at a time.  Though when it enters a child dir that doesn't
mean it is done with the parent dir.

On Thu, 16 Jan 2025, [email protected] wrote:

> Date: Thu, 16 Jan 2025 15:16:02 +0000
> From: [email protected]
> To: Kevin Korb <[email protected]>
> Cc: [email protected]
> Subject: Re: question about the recursive algorithm
> 
> Thanks for your message again. I appreciate your answers.
>
> I don't mind about the order of the files, and neither really about the
> order of the directories: I'm interested about whether rsync might
> transfer some files into a directory, then transfer some files into
> another which is outside of the first one, and then transfer more files
> into the first directory again.
>
> And with the --del option, which afaik means --delete-during, whether it
> might delete some files from a directory, then delete some files from
> another which lies outside of the first dir, and then delete some more
> files from the first directory again.  This behaviour would be at odds
> in my mind with the word recursion, which in my mind implies walking
> through the directory tree with some criteria, rather than jumping
> around the directory tree. And in your message you use the word
> "directory indexing", which in my mind also suggests "focusing
> exclusively on such directory", at least as far as only the lines
> starting by *delete are concerned, or only the lines starting by > are
> concerned...
>
> On Thu, Jan 16 2025, Kevin Korb wrote:
>> There is no guarantee that rsync will do anything in any order since
>> it is going by the filesystem without any sorting.  With
>> --delete-during the directory indexing and therefore the deletions are
>> running in parallel with file transfers.  This means it is quite
>> common for it to delete things in directories it isn't transferring
>> files in.
>
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