Re: [Bacula-users] Large maildir backup
2008-11-27 12:01:14
Jesper Krogh <jesper AT krogh DOT cc> writes:
> Can you give us the time for doing a tar to /dev/null of the fileset.
>
> time tar cf /dev/null /path/to/maildir
>
> Then we have a feeling about the "actual read time" for the file of
> the filesystem.
if you're using GNU tar, it will *not* read the files if you dump to
/dev/null. it will simply stat the files as necessary (you can check
this with strace if you like.)
use /dev/zero to avoid this optimisation.
--
regards, | Redpill _
Kjetil T. Homme | Linpro (_)
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