Re: [arch-general] About Arch pkg compress format

2008-05-21 Thread Dimitrios Apostolou
Hi, On Tue, 2008-05-20 at 10:14 +0200, Jan de Groot wrote: Pacman itself is ready for .tar.bz2 package files. The whole issue with .bz2 files is that compression and decompression times increase a lot without giving the same amount of size reduction back. We've done some recent tests with

Re: [arch-general] About Arch pkg compress format

2008-05-21 Thread Xavier
On Wed, May 21, 2008 at 5:47 PM, Dimitrios Apostolou [EMAIL PROTECTED] wrote: Can't this problem be circumvented by spawning the lzma command line utility, and piping all data to it? I understand that this perhaps negates the purpose of libarchive, but the overhead should be small. That

Re: [arch-general] About Arch pkg compress format

2008-05-21 Thread Jan de Groot
On Wed, 2008-05-21 at 18:47 +0300, Dimitrios Apostolou wrote: Hi, On Tue, 2008-05-20 at 10:14 +0200, Jan de Groot wrote: Pacman itself is ready for .tar.bz2 package files. The whole issue with .bz2 files is that compression and decompression times increase a lot without giving the same

Re: [arch-general] About Arch pkg compress format

2008-05-21 Thread Xavier
Aaron Griffin wrote: That's actually not entirely true. Dan and I investigated this. The previous low memory issues were caused by the entire install system never leaving the initramfs, and remaining entirely in RAM - which soaked far more than pacman ever will. Additionally, with the dynamic

Re: [arch-general] About Arch pkg compress format

2008-05-21 Thread Dimitrios Apostolou
On Wed, 2008-05-21 at 19:39 +0200, Jan de Groot wrote: What's the memory usage when unzipping an LZMA file? Is it much higher than the needs of gzip? We already have problems supporting low-memory systems with our installer, adding a compression algorithm that eats more memory will cause

Re: [arch-general] About Arch pkg compress format

2008-05-21 Thread Arvid Ephraim Picciani
On Thursday 22 May 2008 00:13:27 Tobias Kieslich wrote: On Wed, 21 May 2008, Denis Alessandro Altoe Falqueto wrote: It seems that LZMA lib is licensed with LGPL and has an special exception that permits to link (statically or dinamicaly) without being bound by the LGPL terms. I thought

Re: [arch-general] About Arch pkg compress format

2008-05-21 Thread Denis Alessandro Altoe Falqueto
On Wed, May 21, 2008 at 7:45 PM, Arvid Ephraim Picciani [EMAIL PROTECTED] wrote: Yes you are allowed to link dynamicly, now read if you are allowed to run the linked program. Not speaking of actually distributing it. Strange, why would it be allowed to link and not to run the linked program? It

Re: [arch-general] About Arch pkg compress format

2008-05-20 Thread Jan de Groot
On Tue, 2008-05-20 at 15:55 +0900, Bendany Qian wrote: Hi all I just have a sugguestion about the pkg format. Currently archlinux is using gzip compress method to pack the package, I think it is better to use bzip2. since bzip2 format can save about 10%-20% disk space than gzip. As I

Re: [arch-general] About Arch pkg compress format

2008-05-20 Thread Xavier
On Tue, May 20, 2008 at 10:14 AM, Jan de Groot [EMAIL PROTECTED] wrote: Pacman itself is ready for .tar.bz2 package files. The whole issue with .bz2 files is that compression and decompression times increase a lot without giving the same amount of size reduction back. We've done some recent

Re: [arch-general] About Arch pkg compress format

2008-05-20 Thread Nagy Gabor
Idézés Jan de Groot [EMAIL PROTECTED]: On Tue, 2008-05-20 at 15:55 +0900, Bendany Qian wrote: Hi all I just have a sugguestion about the pkg format. Currently archlinux is using gzip compress method to pack the package, I think it is better to use bzip2. since bzip2 format can