Perhaps a better solution would be to do the "fill" part in the background after the new/incremental part of the background is recorded. Carl Soderstrom wrote at about 15:53:43 +0000 on Monday, April 22, 2019: > If it is faster to duplicate the last filled backup and then update it, > would it be reasonable for a future version of BackupPC to pre-duplicate the > last backup during one of the maintenance operations? Then it would be > possible to simply update that when the time comes. > > Or am I misunderstanding this? > > On 04/21 05:15 , Craig Barratt via BackupPC-users wrote: > > I haven't done testing to see if having 100% fulls would be faster. On my > > ext4 system running on sw raid 10, it is actually quite slow duplicating a > > filled backup (which is the required step prior to starting a backup when > > you want the prior one to remain filled), since the whole directory tree > > has to be traversed. So that part is definitely slower. However, you are > > right that, after that, the backup is somewhat simpler since it is only > > modifying the current backup tree in place, since there's no need to update > > the prior unfilled backup with the reverse deltas. Another minor advantage > > of only having filled backups is deleting any one of them is easier, as you > > note. Currently BackupPC needs to merge deltas into the immediate prior > > backup (if unfilled) when you deleted a backup. > > > > Craig > > > -- > Carl Soderstrom > Systems Administrator > Real-Time Enterprises > www.real-time.com > > > _______________________________________________ > BackupPC-users mailing list > BackupPC-users@lists.sourceforge.net > List: https://lists.sourceforge.net/lists/listinfo/backuppc-users > Wiki: http://backuppc.wiki.sourceforge.net > Project: http://backuppc.sourceforge.net/
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