the video and mp3 files should see virtually zero compression but exe files
should do a little and the excel and word doc files should be about 1/2 the
size.
so strange.
what is your operating system and version? maybe your gzip tools is broken
or a bad version..
On Nov 20, 2007 9:34 AM, <[EMAIL PROTECTED]> wrote:
>
> Thanks a lot for your answer.
>
> I checked the type of compression in the config.pl and it's Gzip (
> $Conf{ArchiveComp}='gzip'; ).
> I wiil continue with levels 7, 8 and 9 to see the difference.
>
> Yes I've got several types of files, mp3, videos, .doc, .xls, .rar, .iso,
> .exe, etc....
>
> Thank you.
>
> Romain
>
>
>
> *dan <[EMAIL PROTECTED]>*
>
> 20/11/2007 17:08
> A
> "Les Mikesell" <[EMAIL PROTECTED]>
> cc
> Romain PICHARD/Mondeville/VIC/[EMAIL PROTECTED],
> [email protected],
> [EMAIL PROTECTED], [EMAIL PROTECTED]
> Objet
> Re: [BackupPC-users] adjusting compression level
>
>
>
>
> something is fishy about your compression %. you should definitely get
> more compression. in the config file, what type of compression are you
> using? you should see much great compression ratios and you should see some
> staggering compression times with the level 8 and 9 compression levels.
> something like 3-4 times as long as a level 3 and only 2-5% more
> compression.
>
> are your files already compresses or are the video or mp3s?
>
> On Nov 20, 2007 8:56 AM, Les Mikesell <[EMAIL PROTECTED]<[EMAIL PROTECTED]>>
> wrote:
> [EMAIL PROTECTED] * <[EMAIL PROTECTED]>wrote:
> >
> > Hello,
> >
> > I installed BackupPC 3.0.0 on a Fedora Core 6 (server) in order to back
> > up Windows XP client.
> > For your information, I use rsyncd.
> >
> > I'm checking and testing all differents compression levels to compare
> them.
> > The test is based on 3.00 Gb in full backupc. There are more than 400
> > files to back up.
> >
> > For the moment, I tested with the levels 1, 2, 3, 4, 5, 6 and without
> > compression (i.e. 0) and the difference
> > between the levels is very very small.
> >
> > For example :
> >
> > Without Compression : Time : 57.4 min / Size : 3055.1 Mo /
> > Compression : 0.0 %
> > Level 1 : Time : 63.0 min / Size (without compression) : 3055.1 Mo /
> > Size (after compression) : 2997.4 Mo / Compression : 1.9 %
> > Level 2 : Time : 65.9 min / Size (without compression) : 3055.1 Mo /
> > Size (after compression) : 2996.3 Mo / Compression : 1.9 %
> > Level 3 : Time : 58.0 min / Size (without compression) : 3055.1 Mo /
> > Size (after compression) : 2995.2 Mo / Compression : 2.0 %
> > Level 4 : Time : 59.2 min / Size (without compression) : 3055.1 Mo /
> > Size (after compression) : 2994.6 Mo / Compression : 2.0 %
> > Level 5 : Time : 62.8 min / Size (without compression) : 3055.1 Mo /
> > Size (after compression) : 2993.6 Mo / Compression : 2.0 %
> > Level 6 : Time : 59.3 min / Size (without compression) : 3055.1 Mo /
> > Size (after compression) : 2993.0 Mo / Compression : 2.0 %
> >
> > Ok it's more and more compressed when the compression level increase but
>
> > it's very light.
> > Do you think that my tests are " normal " ?
>
> That doesn't sound anywhere near normal unless your files are already
> compresssed or gif/jpeg, etc. where compression is standard, or consist
> of encrypted or random data. I'd expect text files to compress by 50%
> or so and database files with fixed width fields much more.
>
> --
> Les Mikesell
> * [EMAIL PROTECTED] <[EMAIL PROTECTED]>
>
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