Hello, Cent-OS 5 is final release? What about DVD iso's? Why the images are not compressed?
On Fri, 13 Apr 2007, devel wrote:
Hello, Cent-OS 5 is final release?
Yes.
What about DVD iso's?
Also released (I've downloaded it via bittorrent).
Why the images are not compressed?
First time I hear this concept. I don't exactly the "why" it's not commpressed, but I image it's because it would take a lot of CPU and memory to compress a 650Mb file, and anyway, rpms (which is about 98% of the image) are already compressed.
-- 21:50:04 up 2 days, 9:07, 0 users, load average: 0.92, 0.37, 0.18 --------------------------------------------------------- Lic. Martín Marqués | SELECT 'mmarques' || Centro de Telemática | '@' || 'unl.edu.ar'; Universidad Nacional | DBA, Programador, del Litoral | Administrador ---------------------------------------------------------
devel wrote:
Why the images are not compressed?
Because RPMs are compressed already, and almost everything on a CentOS install disk is an RPM.
I tried compressing the bin DVD here with bzip2 -9 and saw a size improvement of less than 3%. The cost of this tiny benefit is 2x the disk space during the decompression step, and half an hour of decompression time on a 3 GHz machine.
TANSTAAFL.
Warren Young wrote:
devel wrote:
Why the images are not compressed?
Because RPMs are compressed already, and almost everything on a CentOS install disk is an RPM.
I tried compressing the bin DVD here with bzip2 -9 and saw a size improvement of less than 3%. The cost of this tiny benefit is 2x the disk space during the decompression step, and half an hour of decompression time on a 3 GHz machine.
but it only has to be compressed once, whereas it gets to be download hundreds of thousands of times.
Running mkzftree on the non-rpm and non preboot stuff might make some sense. Makes it had to read in winders tho.
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devel -
John Summerfield -
Martin Marques -
Warren Young