[CentOS] Let's talk about compression rates

Sat Jan 22 12:54:31 UTC 2011
Justin Piszcz <jpiszcz at lucidpixels.com>

On Sat, 22 Jan 2011, Keith Roberts wrote:

> On Sat, 22 Jan 2011, S Mathias wrote:
>
>> To: centos at centos.org
>> From: S Mathias <smathias1972 at yahoo.com>
>> Subject: [CentOS] Let's talk about compression rates
>>
>> http://pastebin.com/raw.php?i=MwDnhknf
>>
>> $ ls -Sl
>> total 461252
>> -rw-rw-r--. 1 g g 111709730 Jan 22 11:06 linux-2.6.37.zip
>> -rw-rw-r--. 1 g g  93174605 Jan 22 11:03 linux-2.6.37.tar.gz
>> -rw-rw-r--. 1 g g  73552510 Jan 22 11:10 linux-2.6.37.tar.bz2
>> -rw-rw-r--. 1 g g  66333786 Jan 22 11:16 linux-2.6.37.7z
>> -rw-rw-r--. 1 g g  64035788 Jan 22 11:16 linux-2.6.37.tar.7z
>> -rw-rw-r--. 1 g g  63480808 Jan 22 11:20 linux-2.6.37.tar.xz
>> $
>>
>> I presume kernel.org knows this. Why doesn't people use e.g.: XZ?
>>
>> This is the same as in PDF's. DJVU files could be amazing
>> too. They could compress [convert] a 400 MByte PDF to a 20
>> MByte DJVU. Amazing.

Hi,

Updated my list:

$ du -sk * | sort -n
32160 linux-2.6.16.17.tar.xz (-9e)
32392 linux-2.6.16.17.tar.7z
32404 linux-2.6.16.17.tar.xz (-9)
33520 linux-2.6.16.17.tar.lzma
33760 linux-2.6.16.17.tar.rar
38064 linux-2.6.16.17.tar.rz
39472 linux-2.6.16.17.tar.szip
39520 linux-2.6.16.17.tar.bz
39936 linux-2.6.16.17.tar.bz2
40000 linux-2.6.16.17.tar.bicom
40656 linux-2.6.16.17.tar.sit
47664 linux-2.6.16.17.tar.lha
49940 linux-2.6.16.17.tar.zip
49968 linux-2.6.16.17.tar.dzip
50000 linux-2.6.16.17.tar.gz
51344 linux-2.6.16.17.tar.arj
57552 linux-2.6.16.17.tar.lzo
57984 linux-2.6.16.17.tar.F
81136 linux-2.6.16.17.tar.Z
94544 linux-2.6.16.17.tar.zoo
101216 linux-2.6.16.17.tar.arc
228608 linux-2.6.16.17.tar

$ du -sh * | sort -n
32M linux-2.6.16.17.tar.xz (both -9,-9e)
32M linux-2.6.16.17.tar.7z
33M linux-2.6.16.17.tar.lzma
33M linux-2.6.16.17.tar.rar
37M linux-2.6.16.17.tar.rz
39M linux-2.6.16.17.tar.bicom
39M linux-2.6.16.17.tar.bz
39M linux-2.6.16.17.tar.bz2
39M linux-2.6.16.17.tar.szip
40M linux-2.6.16.17.tar.sit
47M linux-2.6.16.17.tar.lha
49M linux-2.6.16.17.tar.zip
49M linux-2.6.16.17.tar.dzip
49M linux-2.6.16.17.tar.gz
50M linux-2.6.16.17.tar.arj
56M linux-2.6.16.17.tar.lzo
57M linux-2.6.16.17.tar.F
79M linux-2.6.16.17.tar.Z
92M linux-2.6.16.17.tar.zoo
99M linux-2.6.16.17.tar.arc
223M linux-2.6.16.17.tar

Justin.