[Borgbackup] Segment size

[Thomas Waldmann]

> A couple of years ago(1), the default segment size was changed from
> ~5MiB to ~500MiB.  Can anyone provide more detail on the reasoning?  I
> am planning to use an s3ql filesystem as storage, and am concerned the
> large segments will create headaches.  If the change was to improve disk
> I/O performance, that wouldn't really apply to this use case (network is
> the bottleneck, anyway).  I'd like to know if there are any other
> consequences to a much smaller segment size.

IIRC it was mainly about performance (when using a local disk for the repo).

Maybe you can find more infos in some (closed?) github issue.

Please note that this change was just about the DEFAULT segment size,
you can change it in the repo config if you prefer some other size.


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