[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]
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