Hi there,
On Mon, 8 Dec 2025, klxout wrote:
G.W. Haywood wrote:
Is the current value of seven days causing problems for you? I can
only imagine that it would be a problem if you are backing up a large
number of large files of which most change frequently.
Backing up the files underlying the tables in a database system for
example might be expected to cause issues. In my view BackupPC is not
particularly suitable for that kind of backup. My own database
servers are backed up using the Postgress dump utility via cron jobs.
Correcte in my case I have many big files, postres backups,
why is restricted to 7 days on v4?
Short answer: nobody seems to be sure.
Long answer: Read the comments in the Github issues. In
https://github.com/backuppc/backuppc/issues/310
BackupPC's author says he doesn't know.
There's more in
https://github.com/backuppc/backuppc/issues/418#issuecomment-912967000
https://github.com/backuppc/backuppc/issues/427
It is possible to recover v3 feature que keep less days? Now?
Yes. See
https://github.com/backuppc/backuppc/issues/418#issuecomment-848610992
But none of this changes the fact that BackupPC is not a good choice
for backing up typical large database files. BackupPC's pooling will
have no effect on a file in which even a single bit changes, so if you
have large files with few but frequent changes, BackupPC must store a
new copy of the file every time it's backed up.
For my own Postgres backups I use the dump utility and cron.
--
73,
Ged.
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