1 |
On Sat, 2005-08-13 at 00:58 -0400, Jerry McBride wrote: |
2 |
> Anyone else here subscribe to the LINUX JOURNAL? |
3 |
> |
4 |
> In the September issue there's a neat article titled tha same as the subject |
5 |
> line of this message. |
6 |
> |
7 |
> The skinny is, there's some really nice file compressors out there and I never |
8 |
> heard of two of them... Anyone else know about LZMA or 7ZA? |
9 |
> |
10 |
> The two mentioned compression tools work pretty much like gzip. You tar up |
11 |
> your files, pipe to the compression filter and then on to the target file. |
12 |
> Below is a small example of what I've been seeing here at the shack. |
13 |
> |
14 |
> -rw-r--r-- 1 root root 12359680 Aug 12 23:57 backup.tar |
15 |
> -rw-r--r-- 1 root root 3536665 Aug 13 00:01 backup.tar.7z |
16 |
> -rw-r--r-- 1 root root 4438465 Aug 13 00:08 backup.tar.bz2 |
17 |
> -rw-r--r-- 1 root root 4747637 Aug 13 00:03 backup.tar.gz |
18 |
> -rw-r--r-- 1 root root 2731412 Aug 13 00:10 backup.tar.lzma |
19 |
> -rw-r--r-- 1 root root 5125474 Aug 13 00:16 backup.tar.lzop |
20 |
> |
21 |
> What you're seeing are the results of compressing /lib on my gentoo powered |
22 |
> laptop. I've not bothered with timing the processes as the better compression |
23 |
> rates are at the cost of speed and memory usage. Not good for "while you |
24 |
> wait" processing, but just plain perfect for backups and what-have-you on |
25 |
> servers... One side note, 7za does not record user/group info... |
26 |
|
27 |
|
28 |
Are you saying it removes user/group info from the tar file? |
29 |
|
30 |
|
31 |
> It's a shame |
32 |
> too as this make it pretty much useless in most linux backup scenarios. This |
33 |
> lzma creature is simply awesome. |
34 |
> |
35 |
> You can find it at: http://martinus.geekisp.com/rublog.cgi/Projects/LZMA |
36 |
> |
37 |
> Cheers all.... |
38 |
> |
39 |
> -- |
40 |
> |
41 |
> ****************************************************************************** |
42 |
> Registered Linux User Number 185956 |
43 |
> FSF Associate Member number 2340 since 05/20/2004 |
44 |
> Join me in chat at #linux-users on irc.freenode.net |
45 |
> Buy an Xbox for $149.00, run linux on it and Microsoft loses $150.00! |
46 |
> 12:28am up 26 days, 27 min, 1 user, load average: 0.00, 0.00, 0.00 |
47 |
-- |
48 |
Nick Rout <nick@×××××××.nz> |
49 |
|
50 |
-- |
51 |
gentoo-user@g.o mailing list |