[Borgbackup] Slow backup speed

[Fabio Pedretti]

You may want to use the following two options:
--noatime --nobsdflags
Also borg 1.2 should have some speed improvements when using millions of
files, see for example this issue:
https://github.com/borgbackup/borg/issues/3955

Il giorno mar 30 ott 2018 alle ore 09:55 Sebastian Pölsterl <sebp at k-d-w.org>
ha scritto:

> Hi,
>
> I'm using borg via borgmatic to backup of about 10TB of data. Since
> incremental backups take about 13 hours, I was wondering if there's any
> configuration option that can be used to speed things up, or if 13 hours
> is an expected duration.
>
> In total, the volume contains about 25 million files, but changes are
> rare. Backups are created daily and are carried out over a gigabit
> network connection with the client's disk mounted via NFS on the server
> running borg. Backups are created with --files-cache ctime,size and lz4
> compression. Based on monitoring bandwidth usage, I would say that
> network bandwidth is not the bottleneck.
>
> Is there any configuration option I have been missing so far that could
> help to speed up daily backups?
>
> Thanks for your help!
>
> --
> Sebastian
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> https://mail.python.org/mailman/listinfo/borgbackup
>


-- 
ing. Fabio Pedretti
Responsabile U.O.C. "Reti e Sistemi"
http://www.unibs.it/organizzazione/amministrazione-centrale/servizio-servizi-ict/uoc-reti-e-sistemi
Università degli Studi di Brescia
Via Valotti, 9 - 25121 Brescia
E-mail: fabio.pedretti at unibs.it

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